20391426

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{11443}}^1$

素因数の和:11468

約数の個数: 40

約数和(自身を含む): 49850064

約数和(自身を除く): 29458638

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 297, 594, 891, 1782, 11443, 22886, 34329, 68658, 102987, 125873, 205974, 251746, 308961, 377619, 617922, 755238, 926883, 1132857, 1853766, 2265714, 3398571, 6797142, 10195713, 20391426]

約数ペア:

[(1, 20391426), (2, 10195713), (3, 6797142), (6, 3398571), (9, 2265714), (11, 1853766), (18, 1132857), (22, 926883), (27, 755238), (33, 617922), (54, 377619), (66, 308961), (81, 251746), (99, 205974), (162, 125873), (198, 102987), (297, 68658), (594, 34329), (891, 22886), (1782, 11443)]