20505882

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{313}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 42050880

約数和(自身を除く): 21544998

約数列:

[1, 2, 3, 6, 61, 122, 179, 183, 313, 358, 366, 537, 626, 939, 1074, 1878, 10919, 19093, 21838, 32757, 38186, 56027, 57279, 65514, 112054, 114558, 168081, 336162, 3417647, 6835294, 10252941, 20505882]

約数ペア:

[(1, 20505882), (2, 10252941), (3, 6835294), (6, 3417647), (61, 336162), (122, 168081), (179, 114558), (183, 112054), (313, 65514), (358, 57279), (366, 56027), (537, 38186), (626, 32757), (939, 21838), (1074, 19093), (1878, 10919)]