20187224

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 38700720

約数和(自身を除く): 18513496

約数列:

[1, 2, 4, 8, 113, 137, 163, 226, 274, 326, 452, 548, 652, 904, 1096, 1304, 15481, 18419, 22331, 30962, 36838, 44662, 61924, 73676, 89324, 123848, 147352, 178648, 2523403, 5046806, 10093612, 20187224]

約数ペア:

[(1, 20187224), (2, 10093612), (4, 5046806), (8, 2523403), (113, 178648), (137, 147352), (163, 123848), (226, 89324), (274, 73676), (326, 61924), (452, 44662), (548, 36838), (652, 30962), (904, 22331), (1096, 18419), (1304, 15481)]