20479624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4391}}^1$

素因数の和:4461

約数の個数: 32

約数和(自身を含む): 42690240

約数和(自身を除く): 22210616

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 424, 583, 1166, 2332, 4391, 4664, 8782, 17564, 35128, 48301, 96602, 193204, 232723, 386408, 465446, 930892, 1861784, 2559953, 5119906, 10239812, 20479624]

約数ペア:

[(1, 20479624), (2, 10239812), (4, 5119906), (8, 2559953), (11, 1861784), (22, 930892), (44, 465446), (53, 386408), (88, 232723), (106, 193204), (212, 96602), (424, 48301), (583, 35128), (1166, 17564), (2332, 8782), (4391, 4664)]