20519486514

素因数分解:

$2^1\times 3^4\times {\mathrm{107}}^1\times {\mathrm{1183771}}^1$

素因数の和:1183892

約数の個数: 40

約数和(自身を含む): 46408597488

約数和(自身を除く): 25889110974

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 107, 162, 214, 321, 642, 963, 1926, 2889, 5778, 8667, 17334, 1183771, 2367542, 3551313, 7102626, 10653939, 21307878, 31961817, 63923634, 95885451, 126663497, 191770902, 253326994, 379990491, 759980982, 1139971473, 2279942946, 3419914419, 6839828838, 10259743257, 20519486514]

約数ペア:

[(1, 20519486514), (2, 10259743257), (3, 6839828838), (6, 3419914419), (9, 2279942946), (18, 1139971473), (27, 759980982), (54, 379990491), (81, 253326994), (107, 191770902), (162, 126663497), (214, 95885451), (321, 63923634), (642, 31961817), (963, 21307878), (1926, 10653939), (2889, 7102626), (5778, 3551313), (8667, 2367542), (17334, 1183771)]