20123071

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{619}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 22320000

約数和(自身を除く): 2196929

約数列:

[1, 19, 29, 59, 551, 619, 1121, 1711, 11761, 17951, 32509, 36521, 341069, 693899, 1059109, 20123071]

約数ペア:

[(1, 20123071), (19, 1059109), (29, 693899), (59, 341069), (551, 36521), (619, 32509), (1121, 17951), (1711, 11761)]