20642744

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{69739}}^1$

素因数の和:69782

約数の個数: 16

約数和(自身を含む): 39751800

約数和(自身を除く): 19109056

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 69739, 139478, 278956, 557912, 2580343, 5160686, 10321372, 20642744]

約数ペア:

[(1, 20642744), (2, 10321372), (4, 5160686), (8, 2580343), (37, 557912), (74, 278956), (148, 139478), (296, 69739)]