20701460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79621}}^1$

素因数の和:79643

約数の個数: 24

約数和(自身を含む): 46817736

約数和(自身を除く): 26116276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 79621, 159242, 318484, 398105, 796210, 1035073, 1592420, 2070146, 4140292, 5175365, 10350730, 20701460]

約数ペア:

[(1, 20701460), (2, 10350730), (4, 5175365), (5, 4140292), (10, 2070146), (13, 1592420), (20, 1035073), (26, 796210), (52, 398105), (65, 318484), (130, 159242), (260, 79621)]