20503054

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4217}}^1$

素因数の和:4260

約数の個数: 32

約数和(自身を含む): 38265696

約数和(自身を除く): 17762642

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 4217, 4862, 8434, 46387, 54821, 71689, 92774, 109642, 143378, 603031, 788579, 931957, 1206062, 1577158, 1863914, 10251527, 20503054]

約数ペア:

[(1, 20503054), (2, 10251527), (11, 1863914), (13, 1577158), (17, 1206062), (22, 931957), (26, 788579), (34, 603031), (143, 143378), (187, 109642), (221, 92774), (286, 71689), (374, 54821), (442, 46387), (2431, 8434), (4217, 4862)]