20249996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2251}}^1$

素因数の和:2441

約数の個数: 24

約数和(自身を含む): 38401104

約数和(自身を除く): 18151108

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 2251, 4498, 4502, 8996, 9004, 29263, 58526, 117052, 389423, 778846, 1557692, 5062499, 10124998, 20249996]

約数ペア:

[(1, 20249996), (2, 10124998), (4, 5062499), (13, 1557692), (26, 778846), (52, 389423), (173, 117052), (346, 58526), (692, 29263), (2249, 9004), (2251, 8996), (4498, 4502)]