20681700872

素因数分解:

$2^3\times 7^3\times {\mathrm{7537063}}^1$

素因数の和:7537090

約数の個数: 32

約数和(自身を含む): 45222384000

約数和(自身を除く): 24540683128

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7537063, 15074126, 30148252, 52759441, 60296504, 105518882, 211037764, 369316087, 422075528, 738632174, 1477264348, 2585212609, 2954528696, 5170425218, 10340850436, 20681700872]

約数ペア:

[(1, 20681700872), (2, 10340850436), (4, 5170425218), (7, 2954528696), (8, 2585212609), (14, 1477264348), (28, 738632174), (49, 422075528), (56, 369316087), (98, 211037764), (196, 105518882), (343, 60296504), (392, 52759441), (686, 30148252), (1372, 15074126), (2744, 7537063)]