20215686968

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{491531}}^1$

素因数の和:491687

約数の個数: 32

約数和(自身を含む): 39017810160

約数和(自身を除く): 18802123192

約数列:

[1, 2, 4, 8, 53, 97, 106, 194, 212, 388, 424, 776, 5141, 10282, 20564, 41128, 491531, 983062, 1966124, 3932248, 26051143, 47678507, 52102286, 95357014, 104204572, 190714028, 208409144, 381428056, 2526960871, 5053921742, 10107843484, 20215686968]

約数ペア:

[(1, 20215686968), (2, 10107843484), (4, 5053921742), (8, 2526960871), (53, 381428056), (97, 208409144), (106, 190714028), (194, 104204572), (212, 95357014), (388, 52102286), (424, 47678507), (776, 26051143), (5141, 3932248), (10282, 1966124), (20564, 983062), (41128, 491531)]