20959740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116443}}^1$

素因数の和:116458

約数の個数: 36

約数和(自身を含む): 63578424

約数和(自身を除く): 42618684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116443, 232886, 349329, 465772, 582215, 698658, 1047987, 1164430, 1397316, 1746645, 2095974, 2328860, 3493290, 4191948, 5239935, 6986580, 10479870, 20959740]

約数ペア:

[(1, 20959740), (2, 10479870), (3, 6986580), (4, 5239935), (5, 4191948), (6, 3493290), (9, 2328860), (10, 2095974), (12, 1746645), (15, 1397316), (18, 1164430), (20, 1047987), (30, 698658), (36, 582215), (45, 465772), (60, 349329), (90, 232886), (180, 116443)]