20312710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9719}}^1$

素因数の和:9756

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 21677690

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9719, 19438, 48595, 97190, 106909, 184661, 213818, 369322, 534545, 923305, 1069090, 1846610, 2031271, 4062542, 10156355, 20312710]

約数ペア:

[(1, 20312710), (2, 10156355), (5, 4062542), (10, 2031271), (11, 1846610), (19, 1069090), (22, 923305), (38, 534545), (55, 369322), (95, 213818), (110, 184661), (190, 106909), (209, 97190), (418, 48595), (1045, 19438), (2090, 9719)]