20486536

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11801}}^1$

素因数の和:11845

約数の個数: 32

約数和(自身を含む): 45319680

約数和(自身を除く): 24833144

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11801, 23602, 47204, 82607, 94408, 165214, 330428, 365831, 660856, 731662, 1463324, 2560817, 2926648, 5121634, 10243268, 20486536]

約数ペア:

[(1, 20486536), (2, 10243268), (4, 5121634), (7, 2926648), (8, 2560817), (14, 1463324), (28, 731662), (31, 660856), (56, 365831), (62, 330428), (124, 165214), (217, 94408), (248, 82607), (434, 47204), (868, 23602), (1736, 11801)]