20418084

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29851}}^1$

素因数の和:29880

約数の個数: 36

約数和(自身を含む): 54330640

約数和(自身を除く): 33912556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 29851, 59702, 89553, 119404, 179106, 268659, 358212, 537318, 567169, 1074636, 1134338, 1701507, 2268676, 3403014, 5104521, 6806028, 10209042, 20418084]

約数ペア:

[(1, 20418084), (2, 10209042), (3, 6806028), (4, 5104521), (6, 3403014), (9, 2268676), (12, 1701507), (18, 1134338), (19, 1074636), (36, 567169), (38, 537318), (57, 358212), (76, 268659), (114, 179106), (171, 119404), (228, 89553), (342, 59702), (684, 29851)]