20741408

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{15809}}^1$

素因数の和:15860

約数の個数: 24

約数和(自身を含む): 41833260

約数和(自身を除く): 21091852

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 15809, 31618, 63236, 126472, 252944, 505888, 648169, 1296338, 2592676, 5185352, 10370704, 20741408]

約数ペア:

[(1, 20741408), (2, 10370704), (4, 5185352), (8, 2592676), (16, 1296338), (32, 648169), (41, 505888), (82, 252944), (164, 126472), (328, 63236), (656, 31618), (1312, 15809)]