20702968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18097}}^1$

素因数の和:18127

約数の個数: 32

約数和(自身を含む): 45606960

約数和(自身を除く): 24903992

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18097, 36194, 72388, 144776, 199067, 235261, 398134, 470522, 796268, 941044, 1592536, 1882088, 2587871, 5175742, 10351484, 20702968]

約数ペア:

[(1, 20702968), (2, 10351484), (4, 5175742), (8, 2587871), (11, 1882088), (13, 1592536), (22, 941044), (26, 796268), (44, 470522), (52, 398134), (88, 235261), (104, 199067), (143, 144776), (286, 72388), (572, 36194), (1144, 18097)]