20183097620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1\times {\mathrm{1481}}^1$

素因数の和:2121

約数の個数: 96

約数和(自身を含む): 48783361536

約数和(自身を除く): 28600263916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 313, 622, 626, 1244, 1252, 1481, 1555, 1565, 2177, 2191, 2962, 3110, 3130, 4354, 4382, 5924, 6220, 6260, 7405, 8708, 8764, 10367, 10885, 10955, 14810, 20734, 21770, 21910, 29620, 41468, 43540, 43820, 51835, 97343, 103670, 194686, 207340, 389372, 460591, 463553, 486715, 681401, 921182, 927106, 973430, 1362802, 1842364, 1854212, 1946860, 2302955, 2317765, 2725604, 3224137, 3244871, 3407005, 4605910, 4635530, 6448274, 6489742, 6814010, 9211820, 9271060, 12896548, 12979484, 13628020, 16120685, 16224355, 32241370, 32448710, 64482740, 64897420, 144164983, 288329966, 576659932, 720824915, 1009154881, 1441649830, 2018309762, 2883299660, 4036619524, 5045774405, 10091548810, 20183097620]

約数ペア:

[(1, 20183097620), (2, 10091548810), (4, 5045774405), (5, 4036619524), (7, 2883299660), (10, 2018309762), (14, 1441649830), (20, 1009154881), (28, 720824915), (35, 576659932), (70, 288329966), (140, 144164983), (311, 64897420), (313, 64482740), (622, 32448710), (626, 32241370), (1244, 16224355), (1252, 16120685), (1481, 13628020), (1555, 12979484), (1565, 12896548), (2177, 9271060), (2191, 9211820), (2962, 6814010), (3110, 6489742), (3130, 6448274), (4354, 4635530), (4382, 4605910), (5924, 3407005), (6220, 3244871), (6260, 3224137), (7405, 2725604), (8708, 2317765), (8764, 2302955), (10367, 1946860), (10885, 1854212), (10955, 1842364), (14810, 1362802), (20734, 973430), (21770, 927106), (21910, 921182), (29620, 681401), (41468, 486715), (43540, 463553), (43820, 460591), (51835, 389372), (97343, 207340), (103670, 194686)]