20171309576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{887}}^1\times {\mathrm{258421}}^1$

素因数の和:259325

約数の個数: 32

約数和(自身を含む): 41306172480

約数和(自身を除く): 21134862904

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 887, 1774, 3548, 7096, 9757, 19514, 39028, 78056, 258421, 516842, 1033684, 2067368, 2842631, 5685262, 11370524, 22741048, 229219427, 458438854, 916877708, 1833755416, 2521413697, 5042827394, 10085654788, 20171309576]

約数ペア:

[(1, 20171309576), (2, 10085654788), (4, 5042827394), (8, 2521413697), (11, 1833755416), (22, 916877708), (44, 458438854), (88, 229219427), (887, 22741048), (1774, 11370524), (3548, 5685262), (7096, 2842631), (9757, 2067368), (19514, 1033684), (39028, 516842), (78056, 258421)]