20782456

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1151}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 19929224

約数列:

[1, 2, 4, 8, 37, 61, 74, 122, 148, 244, 296, 488, 1151, 2257, 2302, 4514, 4604, 9028, 9208, 18056, 42587, 70211, 85174, 140422, 170348, 280844, 340696, 561688, 2597807, 5195614, 10391228, 20782456]

約数ペア:

[(1, 20782456), (2, 10391228), (4, 5195614), (8, 2597807), (37, 561688), (61, 340696), (74, 280844), (122, 170348), (148, 140422), (244, 85174), (296, 70211), (488, 42587), (1151, 18056), (2257, 9208), (2302, 9028), (4514, 4604)]