20145496

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2207}}^1$

素因数の和:2383

約数の個数: 32

約数和(自身を含む): 43453440

約数和(自身を除く): 23307944

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2207, 2282, 4414, 4564, 8828, 9128, 15449, 17656, 30898, 61796, 123592, 359741, 719482, 1438964, 2518187, 2877928, 5036374, 10072748, 20145496]

約数ペア:

[(1, 20145496), (2, 10072748), (4, 5036374), (7, 2877928), (8, 2518187), (14, 1438964), (28, 719482), (56, 359741), (163, 123592), (326, 61796), (652, 30898), (1141, 17656), (1304, 15449), (2207, 9128), (2282, 8828), (4414, 4564)]