20474366978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2181373}}^1$

素因数の和:2181426

約数の個数: 24

約数和(自身を含む): 34906346748

約数和(自身を除く): 14431979770

約数列:

[1, 2, 13, 19, 26, 38, 247, 361, 494, 722, 4693, 9386, 2181373, 4362746, 28357849, 41446087, 56715698, 82892174, 538799131, 787475653, 1077598262, 1574951306, 10237183489, 20474366978]

約数ペア:

[(1, 20474366978), (2, 10237183489), (13, 1574951306), (19, 1077598262), (26, 787475653), (38, 538799131), (247, 82892174), (361, 56715698), (494, 41446087), (722, 28357849), (4693, 4362746), (9386, 2181373)]