20619615

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1013}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 14424225

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 177, 295, 345, 885, 1013, 1357, 3039, 4071, 5065, 6785, 15195, 20355, 23299, 59767, 69897, 116495, 179301, 298835, 349485, 896505, 1374641, 4123923, 6873205, 20619615]

約数ペア:

[(1, 20619615), (3, 6873205), (5, 4123923), (15, 1374641), (23, 896505), (59, 349485), (69, 298835), (115, 179301), (177, 116495), (295, 69897), (345, 59767), (885, 23299), (1013, 20355), (1357, 15195), (3039, 6785), (4071, 5065)]