20310329480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{317}}^1\times {\mathrm{337}}^1$

素因数の和:776

約数の個数: 192

約数和(自身を含む): 54036506160

約数和(自身を除く): 33726176680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 97, 98, 140, 194, 196, 245, 280, 317, 337, 388, 392, 485, 490, 634, 674, 679, 776, 970, 980, 1268, 1348, 1358, 1585, 1685, 1940, 1960, 2219, 2359, 2536, 2696, 2716, 3170, 3370, 3395, 3880, 4438, 4718, 4753, 5432, 6340, 6740, 6790, 8876, 9436, 9506, 11095, 11795, 12680, 13480, 13580, 15533, 16513, 17752, 18872, 19012, 22190, 23590, 23765, 27160, 30749, 31066, 32689, 33026, 38024, 44380, 47180, 47530, 61498, 62132, 65378, 66052, 77665, 82565, 88760, 94360, 95060, 106829, 122996, 124264, 130756, 132104, 153745, 155330, 163445, 165130, 190120, 213658, 215243, 228823, 245992, 261512, 307490, 310660, 326890, 330260, 427316, 430486, 457646, 534145, 614980, 621320, 653780, 660520, 747803, 854632, 860972, 915292, 1068290, 1076215, 1144115, 1229960, 1307560, 1495606, 1506701, 1601761, 1721944, 1830584, 2136580, 2152430, 2288230, 2991212, 3013402, 3203522, 3739015, 4273160, 4304860, 4576460, 5234621, 5982424, 6026804, 6407044, 7478030, 7533505, 8008805, 8609720, 9152920, 10362413, 10469242, 12053608, 12814088, 14956060, 15067010, 16017610, 20724826, 20938484, 26173105, 29912120, 30134020, 32035220, 41449652, 41876968, 51812065, 52346210, 60268040, 64070440, 72536891, 82899304, 103624130, 104692420, 145073782, 207248260, 209384840, 290147564, 362684455, 414496520, 507758237, 580295128, 725368910, 1015516474, 1450737820, 2031032948, 2538791185, 2901475640, 4062065896, 5077582370, 10155164740, 20310329480]

約数ペア:

[(1, 20310329480), (2, 10155164740), (4, 5077582370), (5, 4062065896), (7, 2901475640), (8, 2538791185), (10, 2031032948), (14, 1450737820), (20, 1015516474), (28, 725368910), (35, 580295128), (40, 507758237), (49, 414496520), (56, 362684455), (70, 290147564), (97, 209384840), (98, 207248260), (140, 145073782), (194, 104692420), (196, 103624130), (245, 82899304), (280, 72536891), (317, 64070440), (337, 60268040), (388, 52346210), (392, 51812065), (485, 41876968), (490, 41449652), (634, 32035220), (674, 30134020), (679, 29912120), (776, 26173105), (970, 20938484), (980, 20724826), (1268, 16017610), (1348, 15067010), (1358, 14956060), (1585, 12814088), (1685, 12053608), (1940, 10469242), (1960, 10362413), (2219, 9152920), (2359, 8609720), (2536, 8008805), (2696, 7533505), (2716, 7478030), (3170, 6407044), (3370, 6026804), (3395, 5982424), (3880, 5234621), (4438, 4576460), (4718, 4304860), (4753, 4273160), (5432, 3739015), (6340, 3203522), (6740, 3013402), (6790, 2991212), (8876, 2288230), (9436, 2152430), (9506, 2136580), (11095, 1830584), (11795, 1721944), (12680, 1601761), (13480, 1506701), (13580, 1495606), (15533, 1307560), (16513, 1229960), (17752, 1144115), (18872, 1076215), (19012, 1068290), (22190, 915292), (23590, 860972), (23765, 854632), (27160, 747803), (30749, 660520), (31066, 653780), (32689, 621320), (33026, 614980), (38024, 534145), (44380, 457646), (47180, 430486), (47530, 427316), (61498, 330260), (62132, 326890), (65378, 310660), (66052, 307490), (77665, 261512), (82565, 245992), (88760, 228823), (94360, 215243), (95060, 213658), (106829, 190120), (122996, 165130), (124264, 163445), (130756, 155330), (132104, 153745)]