20347386720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{4231}}^1$

素因数の和:4525

約数の個数: 192

約数和(自身を含む): 65881880064

約数和(自身を除く): 45534493344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 233, 240, 258, 344, 430, 466, 480, 516, 645, 688, 699, 860, 932, 1032, 1165, 1290, 1376, 1398, 1720, 1864, 2064, 2330, 2580, 2796, 3440, 3495, 3728, 4128, 4231, 4660, 5160, 5592, 6880, 6990, 7456, 8462, 9320, 10019, 10320, 11184, 12693, 13980, 16924, 18640, 20038, 20640, 21155, 22368, 25386, 27960, 30057, 33848, 37280, 40076, 42310, 50095, 50772, 55920, 60114, 63465, 67696, 80152, 84620, 100190, 101544, 111840, 120228, 126930, 135392, 150285, 160304, 169240, 181933, 200380, 203088, 240456, 253860, 300570, 320608, 338480, 363866, 400760, 406176, 480912, 507720, 545799, 601140, 676960, 727732, 801520, 909665, 961824, 985823, 1015440, 1091598, 1202280, 1455464, 1603040, 1819330, 1971646, 2030880, 2183196, 2404560, 2728995, 2910928, 2957469, 3638660, 3943292, 4366392, 4809120, 4929115, 5457990, 5821856, 5914938, 7277320, 7886584, 8732784, 9858230, 10915980, 11829876, 14554640, 14787345, 15773168, 17465568, 19716460, 21831960, 23659752, 29109280, 29574690, 31546336, 39432920, 42390389, 43663920, 47319504, 59149380, 78865840, 84780778, 87327840, 94639008, 118298760, 127171167, 157731680, 169561556, 211951945, 236597520, 254342334, 339123112, 423903890, 473195040, 508684668, 635855835, 678246224, 847807780, 1017369336, 1271711670, 1356492448, 1695615560, 2034738672, 2543423340, 3391231120, 4069477344, 5086846680, 6782462240, 10173693360, 20347386720]

約数ペア:

[(1, 20347386720), (2, 10173693360), (3, 6782462240), (4, 5086846680), (5, 4069477344), (6, 3391231120), (8, 2543423340), (10, 2034738672), (12, 1695615560), (15, 1356492448), (16, 1271711670), (20, 1017369336), (24, 847807780), (30, 678246224), (32, 635855835), (40, 508684668), (43, 473195040), (48, 423903890), (60, 339123112), (80, 254342334), (86, 236597520), (96, 211951945), (120, 169561556), (129, 157731680), (160, 127171167), (172, 118298760), (215, 94639008), (233, 87327840), (240, 84780778), (258, 78865840), (344, 59149380), (430, 47319504), (466, 43663920), (480, 42390389), (516, 39432920), (645, 31546336), (688, 29574690), (699, 29109280), (860, 23659752), (932, 21831960), (1032, 19716460), (1165, 17465568), (1290, 15773168), (1376, 14787345), (1398, 14554640), (1720, 11829876), (1864, 10915980), (2064, 9858230), (2330, 8732784), (2580, 7886584), (2796, 7277320), (3440, 5914938), (3495, 5821856), (3728, 5457990), (4128, 4929115), (4231, 4809120), (4660, 4366392), (5160, 3943292), (5592, 3638660), (6880, 2957469), (6990, 2910928), (7456, 2728995), (8462, 2404560), (9320, 2183196), (10019, 2030880), (10320, 1971646), (11184, 1819330), (12693, 1603040), (13980, 1455464), (16924, 1202280), (18640, 1091598), (20038, 1015440), (20640, 985823), (21155, 961824), (22368, 909665), (25386, 801520), (27960, 727732), (30057, 676960), (33848, 601140), (37280, 545799), (40076, 507720), (42310, 480912), (50095, 406176), (50772, 400760), (55920, 363866), (60114, 338480), (63465, 320608), (67696, 300570), (80152, 253860), (84620, 240456), (100190, 203088), (101544, 200380), (111840, 181933), (120228, 169240), (126930, 160304), (135392, 150285)]