20266090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155893}}^1$

素因数の和:155913

約数の個数: 16

約数和(自身を含む): 39285288

約数和(自身を除く): 19019198

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155893, 311786, 779465, 1558930, 2026609, 4053218, 10133045, 20266090]

約数ペア:

[(1, 20266090), (2, 10133045), (5, 4053218), (10, 2026609), (13, 1558930), (26, 779465), (65, 311786), (130, 155893)]