20115909

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3331}}^1$

素因数の和:3409

約数の個数: 24

約数和(自身を含む): 32227104

約数和(自身を除く): 12111195

約数列:

[1, 3, 9, 11, 33, 61, 99, 183, 549, 671, 2013, 3331, 6039, 9993, 29979, 36641, 109923, 203191, 329769, 609573, 1828719, 2235101, 6705303, 20115909]

約数ペア:

[(1, 20115909), (3, 6705303), (9, 2235101), (11, 1828719), (33, 609573), (61, 329769), (99, 203191), (183, 109923), (549, 36641), (671, 29979), (2013, 9993), (3331, 6039)]