20756556

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15583}}^1$

素因数の和:15630

約数の個数: 36

約数和(自身を含む): 53889472

約数和(自身を除く): 33132916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15583, 31166, 46749, 62332, 93498, 140247, 186996, 280494, 560988, 576571, 1153142, 1729713, 2306284, 3459426, 5189139, 6918852, 10378278, 20756556]

約数ペア:

[(1, 20756556), (2, 10378278), (3, 6918852), (4, 5189139), (6, 3459426), (9, 2306284), (12, 1729713), (18, 1153142), (36, 576571), (37, 560988), (74, 280494), (111, 186996), (148, 140247), (222, 93498), (333, 62332), (444, 46749), (666, 31166), (1332, 15583)]