20814372

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{10909}}^1$

素因数の和:10972

約数の個数: 36

約数和(自身を含む): 53611740

約数和(自身を除く): 32797368

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 10909, 21818, 32727, 43636, 65454, 98181, 130908, 196362, 392724, 578177, 1156354, 1734531, 2312708, 3469062, 5203593, 6938124, 10407186, 20814372]

約数ペア:

[(1, 20814372), (2, 10407186), (3, 6938124), (4, 5203593), (6, 3469062), (9, 2312708), (12, 1734531), (18, 1156354), (36, 578177), (53, 392724), (106, 196362), (159, 130908), (212, 98181), (318, 65454), (477, 43636), (636, 32727), (954, 21818), (1908, 10909)]