20364110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{409}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 19310770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 383, 409, 766, 818, 1915, 2045, 3830, 4090, 4979, 5317, 9958, 10634, 24895, 26585, 49790, 53170, 156647, 313294, 783235, 1566470, 2036411, 4072822, 10182055, 20364110]

約数ペア:

[(1, 20364110), (2, 10182055), (5, 4072822), (10, 2036411), (13, 1566470), (26, 783235), (65, 313294), (130, 156647), (383, 53170), (409, 49790), (766, 26585), (818, 24895), (1915, 10634), (2045, 9958), (3830, 5317), (4090, 4979)]