20818941

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{3733}}^1$

素因数の和:3773

約数の個数: 24

約数和(自身を含む): 32799456

約数和(自身を除く): 11980515

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 429, 507, 1859, 3733, 5577, 11199, 41063, 48529, 123189, 145587, 533819, 630877, 1601457, 1892631, 6939647, 20818941]

約数ペア:

[(1, 20818941), (3, 6939647), (11, 1892631), (13, 1601457), (33, 630877), (39, 533819), (143, 145587), (169, 123189), (429, 48529), (507, 41063), (1859, 11199), (3733, 5577)]