20309746

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{5189}}^1$

素因数の和:5313

約数の個数: 16

約数和(自身を含む): 32385600

約数和(自身を除く): 12075854

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 5189, 10378, 98591, 197182, 534467, 1068934, 10154873, 20309746]

約数ペア:

[(1, 20309746), (2, 10154873), (19, 1068934), (38, 534467), (103, 197182), (206, 98591), (1957, 10378), (3914, 5189)]