20181066340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3557}}^1\times {\mathrm{9151}}^1$

素因数の和:12748

約数の個数: 48

約数和(自身を含む): 43764424704

約数和(自身を除く): 23583358364

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3557, 7114, 9151, 14228, 17785, 18302, 35570, 36604, 45755, 71140, 91510, 110267, 183020, 220534, 283681, 441068, 551335, 567362, 1102670, 1134724, 1418405, 2205340, 2836810, 5673620, 32550107, 65100214, 130200428, 162750535, 325501070, 651002140, 1009053317, 2018106634, 4036213268, 5045266585, 10090533170, 20181066340]

約数ペア:

[(1, 20181066340), (2, 10090533170), (4, 5045266585), (5, 4036213268), (10, 2018106634), (20, 1009053317), (31, 651002140), (62, 325501070), (124, 162750535), (155, 130200428), (310, 65100214), (620, 32550107), (3557, 5673620), (7114, 2836810), (9151, 2205340), (14228, 1418405), (17785, 1134724), (18302, 1102670), (35570, 567362), (36604, 551335), (45755, 441068), (71140, 283681), (91510, 220534), (110267, 183020)]