20160636

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 48787200

約数和(自身を除く): 28626564

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 89, 129, 172, 178, 258, 267, 356, 439, 516, 534, 878, 1068, 1317, 1756, 2634, 3827, 5268, 7654, 11481, 15308, 18877, 22962, 37754, 39071, 45924, 56631, 75508, 78142, 113262, 117213, 156284, 226524, 234426, 468852, 1680053, 3360106, 5040159, 6720212, 10080318, 20160636]

約数ペア:

[(1, 20160636), (2, 10080318), (3, 6720212), (4, 5040159), (6, 3360106), (12, 1680053), (43, 468852), (86, 234426), (89, 226524), (129, 156284), (172, 117213), (178, 113262), (258, 78142), (267, 75508), (356, 56631), (439, 45924), (516, 39071), (534, 37754), (878, 22962), (1068, 18877), (1317, 15308), (1756, 11481), (2634, 7654), (3827, 5268)]