20080406

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{1051}}^1$

素因数の和:1327

約数の個数: 16

約数和(自身を含む): 31017168

約数和(自身を除く): 10936762

約数列:

[1, 2, 41, 82, 233, 466, 1051, 2102, 9553, 19106, 43091, 86182, 244883, 489766, 10040203, 20080406]

約数ペア:

[(1, 20080406), (2, 10040203), (41, 489766), (82, 244883), (233, 86182), (466, 43091), (1051, 19106), (2102, 9553)]