20113340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77359}}^1$

素因数の和:77381

約数の個数: 24

約数和(自身を含む): 45487680

約数和(自身を除く): 25374340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77359, 154718, 309436, 386795, 773590, 1005667, 1547180, 2011334, 4022668, 5028335, 10056670, 20113340]

約数ペア:

[(1, 20113340), (2, 10056670), (4, 5028335), (5, 4022668), (10, 2011334), (13, 1547180), (20, 1005667), (26, 773590), (52, 386795), (65, 309436), (130, 154718), (260, 77359)]