20698766.000000000

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{106627}}^1$

素因数の和:106649

約数の個数: 48

約数和(自身を含む): 322443072

約数和(自身を除く): 203020832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 106627, 213254, 426508, 533135, 746389, 853016, 1066270, 1492778, 1706032, 2132540, 2985556, 3412064, 3731945, 4265080, 5971112, 7463890, 8530160, 11942224, 14927780, 17060320, 23884448, 29855560, 59711120, 119422240]

約数ペア:

[(1, 119422240), (2, 59711120), (4, 29855560), (5, 23884448), (7, 17060320), (8, 14927780), (10, 11942224), (14, 8530160), (16, 7463890), (20, 5971112), (28, 4265080), (32, 3731945), (35, 3412064), (40, 2985556), (56, 2132540), (70, 1706032), (80, 1492778), (112, 1066270), (140, 853016), (160, 746389), (224, 533135), (280, 426508), (560, 213254), (1120, 106627)]