20394684

素因数分解:

$2^2\times 3^2\times {\mathrm{397}}^1\times {\mathrm{1427}}^1$

素因数の和:1834

約数の個数: 36

約数和(自身を含む): 51719304

約数和(自身を除く): 31324620

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 397, 794, 1191, 1427, 1588, 2382, 2854, 3573, 4281, 4764, 5708, 7146, 8562, 12843, 14292, 17124, 25686, 51372, 566519, 1133038, 1699557, 2266076, 3399114, 5098671, 6798228, 10197342, 20394684]

約数ペア:

[(1, 20394684), (2, 10197342), (3, 6798228), (4, 5098671), (6, 3399114), (9, 2266076), (12, 1699557), (18, 1133038), (36, 566519), (397, 51372), (794, 25686), (1191, 17124), (1427, 14292), (1588, 12843), (2382, 8562), (2854, 7146), (3573, 5708), (4281, 4764)]