20554928

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{7177}}^1$

素因数の和:7364

約数の個数: 20

約数和(自身を含む): 40053240

約数和(自身を除く): 19498312

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 7177, 14354, 28708, 57416, 114832, 1284683, 2569366, 5138732, 10277464, 20554928]

約数ペア:

[(1, 20554928), (2, 10277464), (4, 5138732), (8, 2569366), (16, 1284683), (179, 114832), (358, 57416), (716, 28708), (1432, 14354), (2864, 7177)]