20178636

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 29463348

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 113, 138, 226, 276, 339, 452, 647, 678, 1294, 1356, 1941, 2588, 2599, 3882, 5198, 7764, 7797, 10396, 14881, 15594, 29762, 31188, 44643, 59524, 73111, 89286, 146222, 178572, 219333, 292444, 438666, 877332, 1681553, 3363106, 5044659, 6726212, 10089318, 20178636]

約数ペア:

[(1, 20178636), (2, 10089318), (3, 6726212), (4, 5044659), (6, 3363106), (12, 1681553), (23, 877332), (46, 438666), (69, 292444), (92, 219333), (113, 178572), (138, 146222), (226, 89286), (276, 73111), (339, 59524), (452, 44643), (647, 31188), (678, 29762), (1294, 15594), (1356, 14881), (1941, 10396), (2588, 7797), (2599, 7764), (3882, 5198)]