20917998

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{19051}}^1$

素因数の和:19120

約数の個数: 24

約数和(自身を含む): 46067736

約数和(自身を除く): 25149738

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 19051, 38102, 57153, 114306, 171459, 342918, 1162111, 2324222, 3486333, 6972666, 10458999, 20917998]

約数ペア:

[(1, 20917998), (2, 10458999), (3, 6972666), (6, 3486333), (9, 2324222), (18, 1162111), (61, 342918), (122, 171459), (183, 114306), (366, 57153), (549, 38102), (1098, 19051)]