20158493411

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{20051}}^1$

素因数の和:20243

約数の個数: 32

約数和(自身を含む): 24578297856

約数和(自身を除く): 4419804445

約数列:

[1, 7, 31, 41, 113, 217, 287, 791, 1271, 3503, 4633, 8897, 20051, 24521, 32431, 140357, 143623, 621581, 822091, 1005361, 2265763, 4351067, 5754637, 15860341, 25484821, 70238653, 92896283, 178393747, 491670571, 650273981, 2879784773, 20158493411]

約数ペア:

[(1, 20158493411), (7, 2879784773), (31, 650273981), (41, 491670571), (113, 178393747), (217, 92896283), (287, 70238653), (791, 25484821), (1271, 15860341), (3503, 5754637), (4633, 4351067), (8897, 2265763), (20051, 1005361), (24521, 822091), (32431, 621581), (140357, 143623)]