20672312

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 19002568

約数列:

[1, 2, 4, 8, 83, 163, 166, 191, 326, 332, 382, 652, 664, 764, 1304, 1528, 13529, 15853, 27058, 31133, 31706, 54116, 62266, 63412, 108232, 124532, 126824, 249064, 2584039, 5168078, 10336156, 20672312]

約数ペア:

[(1, 20672312), (2, 10336156), (4, 5168078), (8, 2584039), (83, 249064), (163, 126824), (166, 124532), (191, 108232), (326, 63412), (332, 62266), (382, 54116), (652, 31706), (664, 31133), (764, 27058), (1304, 15853), (1528, 13529)]