20639476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36083}}^1$

素因数の和:36111

約数の個数: 24

約数和(自身を含む): 42434784

約数和(自身を除く): 21795308

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36083, 72166, 144332, 396913, 469079, 793826, 938158, 1587652, 1876316, 5159869, 10319738, 20639476]

約数ペア:

[(1, 20639476), (2, 10319738), (4, 5159869), (11, 1876316), (13, 1587652), (22, 938158), (26, 793826), (44, 469079), (52, 396913), (143, 144332), (286, 72166), (572, 36083)]