20855862

素因数分解:

$2^1\times 3^2\times {\mathrm{839}}^1\times {\mathrm{1381}}^1$

素因数の和:2228

約数の個数: 24

約数和(自身を含む): 45274320

約数和(自身を除く): 24418458

約数列:

[1, 2, 3, 6, 9, 18, 839, 1381, 1678, 2517, 2762, 4143, 5034, 7551, 8286, 12429, 15102, 24858, 1158659, 2317318, 3475977, 6951954, 10427931, 20855862]

約数ペア:

[(1, 20855862), (2, 10427931), (3, 6951954), (6, 3475977), (9, 2317318), (18, 1158659), (839, 24858), (1381, 15102), (1678, 12429), (2517, 8286), (2762, 7551), (4143, 5034)]