20722736

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{6781}}^1$

素因数の和:6980

約数の個数: 20

約数和(自身を含む): 40366464

約数和(自身を除く): 19643728

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 6781, 13562, 27124, 54248, 108496, 1295171, 2590342, 5180684, 10361368, 20722736]

約数ペア:

[(1, 20722736), (2, 10361368), (4, 5180684), (8, 2590342), (16, 1295171), (191, 108496), (382, 54248), (764, 27124), (1528, 13562), (3056, 6781)]