20315308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3793}}^1$

素因数の和:3913

約数の個数: 24

約数和(自身を含む): 38668448

約数和(自身を除く): 18353140

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 3793, 5356, 7586, 15172, 49309, 98618, 197236, 390679, 781358, 1562716, 5078827, 10157654, 20315308]

約数ペア:

[(1, 20315308), (2, 10157654), (4, 5078827), (13, 1562716), (26, 781358), (52, 390679), (103, 197236), (206, 98618), (412, 49309), (1339, 15172), (2678, 7586), (3793, 5356)]