20173156912

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29321449}}^1$

素因数の和:29321500

約数の個数: 20

約数和(自身を含む): 39994457800

約数和(自身を除く): 19821300888

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29321449, 58642898, 117285796, 234571592, 469143184, 1260822307, 2521644614, 5043289228, 10086578456, 20173156912]

約数ペア:

[(1, 20173156912), (2, 10086578456), (4, 5043289228), (8, 2521644614), (16, 1260822307), (43, 469143184), (86, 234571592), (172, 117285796), (344, 58642898), (688, 29321449)]