20024420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77017}}^1$

素因数の和:77039

約数の個数: 24

約数和(自身を含む): 45286584

約数和(自身を除く): 25262164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77017, 154034, 308068, 385085, 770170, 1001221, 1540340, 2002442, 4004884, 5006105, 10012210, 20024420]

約数ペア:

[(1, 20024420), (2, 10012210), (4, 5006105), (5, 4004884), (10, 2002442), (13, 1540340), (20, 1001221), (26, 770170), (52, 385085), (65, 308068), (130, 154034), (260, 77017)]