20004010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153877}}^1$

素因数の和:153897

約数の個数: 16

約数和(自身を含む): 38777256

約数和(自身を除く): 18773246

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 153877, 307754, 769385, 1538770, 2000401, 4000802, 10002005, 20004010]

約数ペア:

[(1, 20004010), (2, 10002005), (5, 4000802), (10, 2000401), (13, 1538770), (26, 769385), (65, 307754), (130, 153877)]