20810988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{52553}}^1$

素因数の和:52574

約数の個数: 36

約数和(自身を含む): 57388968

約数和(自身を除く): 36577980

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 52553, 105106, 157659, 210212, 315318, 472977, 578083, 630636, 945954, 1156166, 1734249, 1891908, 2312332, 3468498, 5202747, 6936996, 10405494, 20810988]

約数ペア:

[(1, 20810988), (2, 10405494), (3, 6936996), (4, 5202747), (6, 3468498), (9, 2312332), (11, 1891908), (12, 1734249), (18, 1156166), (22, 945954), (33, 630636), (36, 578083), (44, 472977), (66, 315318), (99, 210212), (132, 157659), (198, 105106), (396, 52553)]