20124615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1399}}^1$

素因数の和:1551

約数の個数: 32

約数和(自身を含む): 37094400

約数和(自身を除く): 16969785

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 137, 411, 685, 959, 1399, 2055, 2877, 4197, 4795, 6995, 9793, 14385, 20985, 29379, 48965, 146895, 191663, 574989, 958315, 1341641, 2874945, 4024923, 6708205, 20124615]

約数ペア:

[(1, 20124615), (3, 6708205), (5, 4024923), (7, 2874945), (15, 1341641), (21, 958315), (35, 574989), (105, 191663), (137, 146895), (411, 48965), (685, 29379), (959, 20985), (1399, 14385), (2055, 9793), (2877, 6995), (4197, 4795)]