20418228

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15329}}^1$

素因数の和:15376

約数の個数: 36

約数和(自身を含む): 53011140

約数和(自身を除く): 32592912

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15329, 30658, 45987, 61316, 91974, 137961, 183948, 275922, 551844, 567173, 1134346, 1701519, 2268692, 3403038, 5104557, 6806076, 10209114, 20418228]

約数ペア:

[(1, 20418228), (2, 10209114), (3, 6806076), (4, 5104557), (6, 3403038), (9, 2268692), (12, 1701519), (18, 1134346), (36, 567173), (37, 551844), (74, 275922), (111, 183948), (148, 137961), (222, 91974), (333, 61316), (444, 45987), (666, 30658), (1332, 15329)]