20221488640

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^2\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 240

約数和(自身を含む): 51440564736

約数和(自身を除く): 31219076096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 41, 64, 74, 80, 82, 127, 128, 148, 160, 164, 185, 205, 254, 256, 296, 320, 328, 370, 410, 508, 512, 592, 635, 640, 656, 740, 820, 1016, 1184, 1270, 1280, 1312, 1480, 1517, 1640, 1681, 2032, 2368, 2540, 2560, 2624, 2960, 3034, 3280, 3362, 4064, 4699, 4736, 5080, 5207, 5248, 5920, 6068, 6560, 6724, 7585, 8128, 8405, 9398, 9472, 10160, 10414, 10496, 11840, 12136, 13120, 13448, 15170, 16256, 16810, 18796, 18944, 20320, 20828, 20992, 23495, 23680, 24272, 26035, 26240, 26896, 30340, 32512, 33620, 37592, 40640, 41656, 46990, 47360, 48544, 52070, 52480, 53792, 60680, 62197, 65024, 67240, 75184, 81280, 83312, 93980, 94720, 97088, 104140, 104960, 107584, 121360, 124394, 134480, 150368, 162560, 166624, 187960, 192659, 194176, 208280, 213487, 215168, 242720, 248788, 268960, 300736, 310985, 325120, 333248, 375920, 385318, 388352, 416560, 426974, 430336, 485440, 497576, 537920, 601472, 621970, 666496, 751840, 770636, 776704, 833120, 853948, 860672, 963295, 970880, 995152, 1067435, 1075840, 1202944, 1243940, 1332992, 1503680, 1541272, 1666240, 1707896, 1926590, 1941760, 1990304, 2134870, 2151680, 2405888, 2487880, 2665984, 3007360, 3082544, 3332480, 3415792, 3853180, 3883520, 3980608, 4269740, 4303360, 4975760, 6014720, 6165088, 6664960, 6831584, 7706360, 7899019, 7961216, 8539480, 9951520, 12029440, 12330176, 13329920, 13663168, 15412720, 15798038, 15922432, 17078960, 19903040, 24660352, 27326336, 30825440, 31596076, 31844864, 34157920, 39495095, 39806080, 49320704, 54652672, 61650880, 63192152, 68315840, 78990190, 79612160, 98641408, 109305344, 123301760, 126384304, 136631680, 157980380, 159224320, 246603520, 252768608, 273263360, 315960760, 493207040, 505537216, 546526720, 631921520, 1011074432, 1263843040, 2022148864, 2527686080, 4044297728, 5055372160, 10110744320, 20221488640]

約数ペア:

[(1, 20221488640), (2, 10110744320), (4, 5055372160), (5, 4044297728), (8, 2527686080), (10, 2022148864), (16, 1263843040), (20, 1011074432), (32, 631921520), (37, 546526720), (40, 505537216), (41, 493207040), (64, 315960760), (74, 273263360), (80, 252768608), (82, 246603520), (127, 159224320), (128, 157980380), (148, 136631680), (160, 126384304), (164, 123301760), (185, 109305344), (205, 98641408), (254, 79612160), (256, 78990190), (296, 68315840), (320, 63192152), (328, 61650880), (370, 54652672), (410, 49320704), (508, 39806080), (512, 39495095), (592, 34157920), (635, 31844864), (640, 31596076), (656, 30825440), (740, 27326336), (820, 24660352), (1016, 19903040), (1184, 17078960), (1270, 15922432), (1280, 15798038), (1312, 15412720), (1480, 13663168), (1517, 13329920), (1640, 12330176), (1681, 12029440), (2032, 9951520), (2368, 8539480), (2540, 7961216), (2560, 7899019), (2624, 7706360), (2960, 6831584), (3034, 6664960), (3280, 6165088), (3362, 6014720), (4064, 4975760), (4699, 4303360), (4736, 4269740), (5080, 3980608), (5207, 3883520), (5248, 3853180), (5920, 3415792), (6068, 3332480), (6560, 3082544), (6724, 3007360), (7585, 2665984), (8128, 2487880), (8405, 2405888), (9398, 2151680), (9472, 2134870), (10160, 1990304), (10414, 1941760), (10496, 1926590), (11840, 1707896), (12136, 1666240), (13120, 1541272), (13448, 1503680), (15170, 1332992), (16256, 1243940), (16810, 1202944), (18796, 1075840), (18944, 1067435), (20320, 995152), (20828, 970880), (20992, 963295), (23495, 860672), (23680, 853948), (24272, 833120), (26035, 776704), (26240, 770636), (26896, 751840), (30340, 666496), (32512, 621970), (33620, 601472), (37592, 537920), (40640, 497576), (41656, 485440), (46990, 430336), (47360, 426974), (48544, 416560), (52070, 388352), (52480, 385318), (53792, 375920), (60680, 333248), (62197, 325120), (65024, 310985), (67240, 300736), (75184, 268960), (81280, 248788), (83312, 242720), (93980, 215168), (94720, 213487), (97088, 208280), (104140, 194176), (104960, 192659), (107584, 187960), (121360, 166624), (124394, 162560), (134480, 150368)]