20124719980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10373567}}^1$

素因数の和:10373673

約数の個数: 24

約数和(自身を含む): 42697605888

約数和(自身を除く): 22572885908

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 10373567, 20747134, 41494268, 51867835, 103735670, 207471340, 1006235999, 2012471998, 4024943996, 5031179995, 10062359990, 20124719980]

約数ペア:

[(1, 20124719980), (2, 10062359990), (4, 5031179995), (5, 4024943996), (10, 2012471998), (20, 1006235999), (97, 207471340), (194, 103735670), (388, 51867835), (485, 41494268), (970, 20747134), (1940, 10373567)]