20642552

素因数分解:

$2^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1747}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 44469120

約数和(自身を除く): 23826568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 211, 422, 844, 1477, 1688, 1747, 2954, 3494, 5908, 6988, 11816, 12229, 13976, 24458, 48916, 97832, 368617, 737234, 1474468, 2580319, 2948936, 5160638, 10321276, 20642552]

約数ペア:

[(1, 20642552), (2, 10321276), (4, 5160638), (7, 2948936), (8, 2580319), (14, 1474468), (28, 737234), (56, 368617), (211, 97832), (422, 48916), (844, 24458), (1477, 13976), (1688, 12229), (1747, 11816), (2954, 6988), (3494, 5908)]