20137870160

素因数分解:

$2^4\times 5^1\times {\mathrm{463}}^1\times {\mathrm{543679}}^1$

素因数の和:544155

約数の個数: 40

約数和(自身を含む): 46921758720

約数和(自身を除く): 26783888560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 463, 926, 1852, 2315, 3704, 4630, 7408, 9260, 18520, 37040, 543679, 1087358, 2174716, 2718395, 4349432, 5436790, 8698864, 10873580, 21747160, 43494320, 251723377, 503446754, 1006893508, 1258616885, 2013787016, 2517233770, 4027574032, 5034467540, 10068935080, 20137870160]

約数ペア:

[(1, 20137870160), (2, 10068935080), (4, 5034467540), (5, 4027574032), (8, 2517233770), (10, 2013787016), (16, 1258616885), (20, 1006893508), (40, 503446754), (80, 251723377), (463, 43494320), (926, 21747160), (1852, 10873580), (2315, 8698864), (3704, 5436790), (4630, 4349432), (7408, 2718395), (9260, 2174716), (18520, 1087358), (37040, 543679)]