20214657880

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{44381}}^1$

素因数の和:44644

約数の個数: 64

約数和(自身を含む): 46494583200

約数和(自身を除く): 26279925320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 193, 236, 295, 386, 472, 590, 772, 965, 1180, 1544, 1930, 2360, 3860, 7720, 11387, 22774, 44381, 45548, 56935, 88762, 91096, 113870, 177524, 221905, 227740, 355048, 443810, 455480, 887620, 1775240, 2618479, 5236958, 8565533, 10473916, 13092395, 17131066, 20947832, 26184790, 34262132, 42827665, 52369580, 68524264, 85655330, 104739160, 171310660, 342621320, 505366447, 1010732894, 2021465788, 2526832235, 4042931576, 5053664470, 10107328940, 20214657880]

約数ペア:

[(1, 20214657880), (2, 10107328940), (4, 5053664470), (5, 4042931576), (8, 2526832235), (10, 2021465788), (20, 1010732894), (40, 505366447), (59, 342621320), (118, 171310660), (193, 104739160), (236, 85655330), (295, 68524264), (386, 52369580), (472, 42827665), (590, 34262132), (772, 26184790), (965, 20947832), (1180, 17131066), (1544, 13092395), (1930, 10473916), (2360, 8565533), (3860, 5236958), (7720, 2618479), (11387, 1775240), (22774, 887620), (44381, 455480), (45548, 443810), (56935, 355048), (88762, 227740), (91096, 221905), (113870, 177524)]