20090553

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 31595520

約数和(自身を除く): 11504967

約数列:

[1, 3, 7, 21, 67, 109, 131, 201, 327, 393, 469, 763, 917, 1407, 2289, 2751, 7303, 8777, 14279, 21909, 26331, 42837, 51121, 61439, 99953, 153363, 184317, 299859, 956693, 2870079, 6696851, 20090553]

約数ペア:

[(1, 20090553), (3, 6696851), (7, 2870079), (21, 956693), (67, 299859), (109, 184317), (131, 153363), (201, 99953), (327, 61439), (393, 51121), (469, 42837), (763, 26331), (917, 21909), (1407, 14279), (2289, 8777), (2751, 7303)]