20781676770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1\times {\mathrm{36217}}^1$

素因数の和:36875

約数の個数: 64

約数和(自身を含む): 51569796096

約数和(自身を除く): 30788119326

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 617, 930, 1234, 1851, 3085, 3702, 6170, 9255, 18510, 19127, 36217, 38254, 57381, 72434, 95635, 108651, 114762, 181085, 191270, 217302, 286905, 362170, 543255, 573810, 1086510, 1122727, 2245454, 3368181, 5613635, 6736362, 11227270, 16840905, 22345889, 33681810, 44691778, 67037667, 111729445, 134075334, 223458890, 335188335, 670376670, 692722559, 1385445118, 2078167677, 3463612795, 4156335354, 6927225590, 10390838385, 20781676770]

約数ペア:

[(1, 20781676770), (2, 10390838385), (3, 6927225590), (5, 4156335354), (6, 3463612795), (10, 2078167677), (15, 1385445118), (30, 692722559), (31, 670376670), (62, 335188335), (93, 223458890), (155, 134075334), (186, 111729445), (310, 67037667), (465, 44691778), (617, 33681810), (930, 22345889), (1234, 16840905), (1851, 11227270), (3085, 6736362), (3702, 5613635), (6170, 3368181), (9255, 2245454), (18510, 1122727), (19127, 1086510), (36217, 573810), (38254, 543255), (57381, 362170), (72434, 286905), (95635, 217302), (108651, 191270), (114762, 181085)]