20320836

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 48988800

約数和(自身を除く): 28667964

約数列:

[1, 2, 3, 4, 6, 12, 53, 89, 106, 159, 178, 212, 267, 318, 356, 359, 534, 636, 718, 1068, 1077, 1436, 2154, 4308, 4717, 9434, 14151, 18868, 19027, 28302, 31951, 38054, 56604, 57081, 63902, 76108, 95853, 114162, 127804, 191706, 228324, 383412, 1693403, 3386806, 5080209, 6773612, 10160418, 20320836]

約数ペア:

[(1, 20320836), (2, 10160418), (3, 6773612), (4, 5080209), (6, 3386806), (12, 1693403), (53, 383412), (89, 228324), (106, 191706), (159, 127804), (178, 114162), (212, 95853), (267, 76108), (318, 63902), (356, 57081), (359, 56604), (534, 38054), (636, 31951), (718, 28302), (1068, 19027), (1077, 18868), (1436, 14151), (2154, 9434), (4308, 4717)]