202012910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79847}}^1$

素因数の和:79888

約数の個数: 32

約数和(自身を含む): 413932032

約数和(自身を除く): 211919122

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 79847, 159694, 399235, 798470, 878317, 1756634, 1836481, 3672962, 4391585, 8783170, 9182405, 18364810, 20201291, 40402582, 101006455, 202012910]

約数ペア:

[(1, 202012910), (2, 101006455), (5, 40402582), (10, 20201291), (11, 18364810), (22, 9182405), (23, 8783170), (46, 4391585), (55, 3672962), (110, 1836481), (115, 1756634), (230, 878317), (253, 798470), (506, 399235), (1265, 159694), (2530, 79847)]