20512166556

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{1237}}^1\times {\mathrm{28201}}^1$

素因数の和:29459

約数の個数: 72

約数和(自身を含む): 55722865296

約数和(自身を除く): 35210698740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 1237, 2474, 3711, 4948, 7422, 8659, 14844, 17318, 25977, 28201, 34636, 51954, 56402, 60613, 84603, 103908, 112804, 121226, 169206, 181839, 197407, 242452, 338412, 363678, 394814, 592221, 727356, 789628, 1184442, 1381849, 2368884, 2763698, 4145547, 5527396, 8291094, 16582188, 34884637, 69769274, 104653911, 139538548, 209307822, 244192459, 418615644, 488384918, 732577377, 976769836, 1465154754, 1709347213, 2930309508, 3418694426, 5128041639, 6837388852, 10256083278, 20512166556]

約数ペア:

[(1, 20512166556), (2, 10256083278), (3, 6837388852), (4, 5128041639), (6, 3418694426), (7, 2930309508), (12, 1709347213), (14, 1465154754), (21, 976769836), (28, 732577377), (42, 488384918), (49, 418615644), (84, 244192459), (98, 209307822), (147, 139538548), (196, 104653911), (294, 69769274), (588, 34884637), (1237, 16582188), (2474, 8291094), (3711, 5527396), (4948, 4145547), (7422, 2763698), (8659, 2368884), (14844, 1381849), (17318, 1184442), (25977, 789628), (28201, 727356), (34636, 592221), (51954, 394814), (56402, 363678), (60613, 338412), (84603, 242452), (103908, 197407), (112804, 181839), (121226, 169206)]