20508518

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{1151}}^1$

素因数の和:1363

約数の個数: 16

約数和(自身を含む): 31518720

約数和(自身を除く): 11010202

約数列:

[1, 2, 59, 118, 151, 302, 1151, 2302, 8909, 17818, 67909, 135818, 173801, 347602, 10254259, 20508518]

約数ペア:

[(1, 20508518), (2, 10254259), (59, 347602), (118, 173801), (151, 135818), (302, 67909), (1151, 17818), (2302, 8909)]