20705148

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18553}}^1$

素因数の和:18594

約数の個数: 36

約数和(自身を含む): 54029248

約数和(自身を除く): 33324100

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 18553, 37106, 55659, 74212, 111318, 166977, 222636, 333954, 575143, 667908, 1150286, 1725429, 2300572, 3450858, 5176287, 6901716, 10352574, 20705148]

約数ペア:

[(1, 20705148), (2, 10352574), (3, 6901716), (4, 5176287), (6, 3450858), (9, 2300572), (12, 1725429), (18, 1150286), (31, 667908), (36, 575143), (62, 333954), (93, 222636), (124, 166977), (186, 111318), (279, 74212), (372, 55659), (558, 37106), (1116, 18553)]