20056972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2131}}^1$

素因数の和:2329

約数の個数: 24

約数和(自身を含む): 38026352

約数和(自身を除く): 17969380

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 2131, 2353, 4262, 4706, 8524, 9412, 27703, 55406, 110812, 385711, 771422, 1542844, 5014243, 10028486, 20056972]

約数ペア:

[(1, 20056972), (2, 10028486), (4, 5014243), (13, 1542844), (26, 771422), (52, 385711), (181, 110812), (362, 55406), (724, 27703), (2131, 9412), (2353, 8524), (4262, 4706)]