20198829195

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{13249}}^1$

素因数の和:13777

約数の個数: 64

約数和(自身を含む): 37549440000

約数和(自身を除く): 17350610805

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 491, 621, 1035, 1473, 2455, 3105, 4419, 7365, 11293, 13249, 13257, 22095, 33879, 39747, 56465, 66245, 66285, 101637, 119241, 169395, 198735, 304727, 304911, 357723, 508185, 596205, 914181, 1523635, 1524555, 1788615, 2742543, 4570905, 6505259, 8227629, 13712715, 19515777, 32526295, 41138145, 58547331, 97578885, 149620957, 175641993, 292736655, 448862871, 748104785, 878209965, 1346588613, 2244314355, 4039765839, 6732943065, 20198829195]

約数ペア:

[(1, 20198829195), (3, 6732943065), (5, 4039765839), (9, 2244314355), (15, 1346588613), (23, 878209965), (27, 748104785), (45, 448862871), (69, 292736655), (115, 175641993), (135, 149620957), (207, 97578885), (345, 58547331), (491, 41138145), (621, 32526295), (1035, 19515777), (1473, 13712715), (2455, 8227629), (3105, 6505259), (4419, 4570905), (7365, 2742543), (11293, 1788615), (13249, 1524555), (13257, 1523635), (22095, 914181), (33879, 596205), (39747, 508185), (56465, 357723), (66245, 304911), (66285, 304727), (101637, 198735), (119241, 169395)]