20862010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{419}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19780550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 383, 419, 766, 838, 1915, 2095, 3830, 4190, 4979, 5447, 9958, 10894, 24895, 27235, 49790, 54470, 160477, 320954, 802385, 1604770, 2086201, 4172402, 10431005, 20862010]

約数ペア:

[(1, 20862010), (2, 10431005), (5, 4172402), (10, 2086201), (13, 1604770), (26, 802385), (65, 320954), (130, 160477), (383, 54470), (419, 49790), (766, 27235), (838, 24895), (1915, 10894), (2095, 9958), (3830, 5447), (4190, 4979)]