20007272

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 38474400

約数和(自身を除く): 18467128

約数列:

[1, 2, 4, 8, 67, 134, 163, 229, 268, 326, 458, 536, 652, 916, 1304, 1832, 10921, 15343, 21842, 30686, 37327, 43684, 61372, 74654, 87368, 122744, 149308, 298616, 2500909, 5001818, 10003636, 20007272]

約数ペア:

[(1, 20007272), (2, 10003636), (4, 5001818), (8, 2500909), (67, 298616), (134, 149308), (163, 122744), (229, 87368), (268, 74654), (326, 61372), (458, 43684), (536, 37327), (652, 30686), (916, 21842), (1304, 15343), (1832, 10921)]