20913657410

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1\times {\mathrm{88651}}^1$

素因数の和:89450

約数の個数: 32

約数和(自身を含む): 38910426624

約数和(自身を除く): 17996769214

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 761, 1522, 3805, 7610, 23591, 47182, 88651, 117955, 177302, 235910, 443255, 886510, 2748181, 5496362, 13740905, 27481810, 67463411, 134926822, 337317055, 674634110, 2091365741, 4182731482, 10456828705, 20913657410]

約数ペア:

[(1, 20913657410), (2, 10456828705), (5, 4182731482), (10, 2091365741), (31, 674634110), (62, 337317055), (155, 134926822), (310, 67463411), (761, 27481810), (1522, 13740905), (3805, 5496362), (7610, 2748181), (23591, 886510), (47182, 443255), (88651, 235910), (117955, 177302)]