20278399533

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{1237}}^1$

素因数の和:1538

約数の個数: 64

約数和(自身を含む): 32003389440

約数和(自身を除く): 11724989907

約数列:

[1, 3, 7, 21, 59, 101, 131, 177, 303, 393, 413, 707, 917, 1237, 1239, 2121, 2751, 3711, 5959, 7729, 8659, 13231, 17877, 23187, 25977, 39693, 41713, 54103, 72983, 92617, 124937, 125139, 162047, 162309, 218949, 277851, 374811, 486141, 510881, 780629, 874559, 1134329, 1532643, 2341887, 2623677, 3402987, 5464403, 7371283, 9560773, 16366747, 16393209, 22113849, 28682319, 49100241, 51598981, 66925411, 114567229, 154796943, 200776233, 343701687, 965638073, 2896914219, 6759466511, 20278399533]

約数ペア:

[(1, 20278399533), (3, 6759466511), (7, 2896914219), (21, 965638073), (59, 343701687), (101, 200776233), (131, 154796943), (177, 114567229), (303, 66925411), (393, 51598981), (413, 49100241), (707, 28682319), (917, 22113849), (1237, 16393209), (1239, 16366747), (2121, 9560773), (2751, 7371283), (3711, 5464403), (5959, 3402987), (7729, 2623677), (8659, 2341887), (13231, 1532643), (17877, 1134329), (23187, 874559), (25977, 780629), (39693, 510881), (41713, 486141), (54103, 374811), (72983, 277851), (92617, 218949), (124937, 162309), (125139, 162047)]