20772016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{68329}}^1$

素因数の和:68356

約数の個数: 20

約数和(自身を含む): 42364600

約数和(自身を除く): 21592584

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 68329, 136658, 273316, 546632, 1093264, 1298251, 2596502, 5193004, 10386008, 20772016]

約数ペア:

[(1, 20772016), (2, 10386008), (4, 5193004), (8, 2596502), (16, 1298251), (19, 1093264), (38, 546632), (76, 273316), (152, 136658), (304, 68329)]