20173495221

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{227}}^1\times {\mathrm{1033}}^1$

素因数の和:1367

約数の個数: 72

約数和(自身を含む): 32609216640

約数和(自身を除く): 12435721419

約数列:

[1, 3, 9, 11, 33, 79, 99, 121, 227, 237, 363, 681, 711, 869, 1033, 1089, 2043, 2497, 2607, 3099, 7491, 7821, 9297, 9559, 11363, 17933, 22473, 27467, 28677, 34089, 53799, 81607, 82401, 86031, 102267, 124993, 161397, 197263, 234491, 244821, 247203, 374979, 591789, 703473, 734463, 897677, 1124937, 1775367, 2110419, 2169893, 2579401, 2693031, 6509679, 7738203, 8079093, 9874447, 18524789, 19529037, 23214609, 28373411, 29623341, 55574367, 85120233, 88870023, 166723101, 203772679, 255360699, 611318037, 1833954111, 2241499469, 6724498407, 20173495221]

約数ペア:

[(1, 20173495221), (3, 6724498407), (9, 2241499469), (11, 1833954111), (33, 611318037), (79, 255360699), (99, 203772679), (121, 166723101), (227, 88870023), (237, 85120233), (363, 55574367), (681, 29623341), (711, 28373411), (869, 23214609), (1033, 19529037), (1089, 18524789), (2043, 9874447), (2497, 8079093), (2607, 7738203), (3099, 6509679), (7491, 2693031), (7821, 2579401), (9297, 2169893), (9559, 2110419), (11363, 1775367), (17933, 1124937), (22473, 897677), (27467, 734463), (28677, 703473), (34089, 591789), (53799, 374979), (81607, 247203), (82401, 244821), (86031, 234491), (102267, 197263), (124993, 161397)]