20145471700

素因数分解:

$2^2\times 5^2\times {\mathrm{3251}}^1\times {\mathrm{61967}}^1$

素因数の和:65232

約数の個数: 36

約数和(自身を含む): 43729826112

約数和(自身を除く): 23584354412

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 3251, 6502, 13004, 16255, 32510, 61967, 65020, 81275, 123934, 162550, 247868, 309835, 325100, 619670, 1239340, 1549175, 3098350, 6196700, 201454717, 402909434, 805818868, 1007273585, 2014547170, 4029094340, 5036367925, 10072735850, 20145471700]

約数ペア:

[(1, 20145471700), (2, 10072735850), (4, 5036367925), (5, 4029094340), (10, 2014547170), (20, 1007273585), (25, 805818868), (50, 402909434), (100, 201454717), (3251, 6196700), (6502, 3098350), (13004, 1549175), (16255, 1239340), (32510, 619670), (61967, 325100), (65020, 309835), (81275, 247868), (123934, 162550)]