20144020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77477}}^1$

素因数の和:77499

約数の個数: 24

約数和(自身を含む): 45557064

約数和(自身を除く): 25413044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77477, 154954, 309908, 387385, 774770, 1007201, 1549540, 2014402, 4028804, 5036005, 10072010, 20144020]

約数ペア:

[(1, 20144020), (2, 10072010), (4, 5036005), (5, 4028804), (10, 2014402), (13, 1549540), (20, 1007201), (26, 774770), (52, 387385), (65, 309908), (130, 154954), (260, 77477)]