20853220616

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{370421}}^1$

素因数の和:370685

約数の個数: 32

約数和(自身を含む): 40538983680

約数和(自身を除く): 19685763064

約数列:

[1, 2, 4, 8, 31, 62, 124, 227, 248, 454, 908, 1816, 7037, 14074, 28148, 56296, 370421, 740842, 1481684, 2963368, 11483051, 22966102, 45932204, 84085567, 91864408, 168171134, 336342268, 672684536, 2606652577, 5213305154, 10426610308, 20853220616]

約数ペア:

[(1, 20853220616), (2, 10426610308), (4, 5213305154), (8, 2606652577), (31, 672684536), (62, 336342268), (124, 168171134), (227, 91864408), (248, 84085567), (454, 45932204), (908, 22966102), (1816, 11483051), (7037, 2963368), (14074, 1481684), (28148, 740842), (56296, 370421)]