4020970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21163}}^1$

素因数の和:21189

約数の個数: 16

約数和(自身を含む): 7619040

約数和(自身を除く): 3598070

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 21163, 42326, 105815, 211630, 402097, 804194, 2010485, 4020970]

約数ペア:

[(1, 4020970), (2, 2010485), (5, 804194), (10, 402097), (19, 211630), (38, 105815), (95, 42326), (190, 21163)]