20585416

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 39627000

約数和(自身を除く): 19041584

約数列:

[1, 2, 4, 8, 73, 101, 146, 202, 292, 349, 404, 584, 698, 808, 1396, 2792, 7373, 14746, 25477, 29492, 35249, 50954, 58984, 70498, 101908, 140996, 203816, 281992, 2573177, 5146354, 10292708, 20585416]

約数ペア:

[(1, 20585416), (2, 10292708), (4, 5146354), (8, 2573177), (73, 281992), (101, 203816), (146, 140996), (202, 101908), (292, 70498), (349, 58984), (404, 50954), (584, 35249), (698, 29492), (808, 25477), (1396, 14746), (2792, 7373)]