20050928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65957}}^1$

素因数の和:65984

約数の個数: 20

約数和(自身を含む): 40893960

約数和(自身を除く): 20843032

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65957, 131914, 263828, 527656, 1055312, 1253183, 2506366, 5012732, 10025464, 20050928]

約数ペア:

[(1, 20050928), (2, 10025464), (4, 5012732), (8, 2506366), (16, 1253183), (19, 1055312), (38, 527656), (76, 263828), (152, 131914), (304, 65957)]