20998776

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{6679}}^1$

素因数の和:6819

約数の個数: 32

約数和(自身を含む): 52905600

約数和(自身を除く): 31906824

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 262, 393, 524, 786, 1048, 1572, 3144, 6679, 13358, 20037, 26716, 40074, 53432, 80148, 160296, 874949, 1749898, 2624847, 3499796, 5249694, 6999592, 10499388, 20998776]

約数ペア:

[(1, 20998776), (2, 10499388), (3, 6999592), (4, 5249694), (6, 3499796), (8, 2624847), (12, 1749898), (24, 874949), (131, 160296), (262, 80148), (393, 53432), (524, 40074), (786, 26716), (1048, 20037), (1572, 13358), (3144, 6679)]