20357296

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74843}}^1$

素因数の和:74868

約数の個数: 20

約数和(自身を含む): 41762952

約数和(自身を除く): 21405656

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74843, 149686, 299372, 598744, 1197488, 1272331, 2544662, 5089324, 10178648, 20357296]

約数ペア:

[(1, 20357296), (2, 10178648), (4, 5089324), (8, 2544662), (16, 1272331), (17, 1197488), (34, 598744), (68, 299372), (136, 149686), (272, 74843)]