20120615421

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1\times {\mathrm{15887}}^1$

素因数の和:17233

約数の個数: 32

約数和(自身を含む): 29925365760

約数和(自身を除く): 9804750339

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 1307, 3921, 15887, 22219, 24833, 47661, 66657, 74499, 270079, 301853, 422161, 810237, 905559, 1266483, 5131501, 15394503, 20764309, 62292927, 352993253, 394521871, 1058979759, 1183565613, 6706871807, 20120615421]

約数ペア:

[(1, 20120615421), (3, 6706871807), (17, 1183565613), (19, 1058979759), (51, 394521871), (57, 352993253), (323, 62292927), (969, 20764309), (1307, 15394503), (3921, 5131501), (15887, 1266483), (22219, 905559), (24833, 810237), (47661, 422161), (66657, 301853), (74499, 270079)]