20297548

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6211}}^1$

素因数の和:6277

約数の個数: 24

約数和(自身を含む): 38265920

約数和(自身を除く): 17968372

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 6211, 12422, 24844, 118009, 236018, 267073, 472036, 534146, 1068292, 5074387, 10148774, 20297548]

約数ペア:

[(1, 20297548), (2, 10148774), (4, 5074387), (19, 1068292), (38, 534146), (43, 472036), (76, 267073), (86, 236018), (172, 118009), (817, 24844), (1634, 12422), (3268, 6211)]