20851165

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2749}}^1$

素因数の和:2832

約数の個数: 16

約数和(自身を含む): 26334000

約数和(自身を除く): 5482835

約数列:

[1, 5, 37, 41, 185, 205, 1517, 2749, 7585, 13745, 101713, 112709, 508565, 563545, 4170233, 20851165]

約数ペア:

[(1, 20851165), (5, 4170233), (37, 563545), (41, 508565), (185, 112709), (205, 101713), (1517, 13745), (2749, 7585)]