20157618

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2287}}^1$

素因数の和:2418

約数の個数: 32

約数和(自身を含む): 43819776

約数和(自身を除く): 23662158

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 113, 226, 339, 678, 1469, 2287, 2938, 4407, 4574, 6861, 8814, 13722, 29731, 59462, 89193, 178386, 258431, 516862, 775293, 1550586, 3359603, 6719206, 10078809, 20157618]

約数ペア:

[(1, 20157618), (2, 10078809), (3, 6719206), (6, 3359603), (13, 1550586), (26, 775293), (39, 516862), (78, 258431), (113, 178386), (226, 89193), (339, 59462), (678, 29731), (1469, 13722), (2287, 8814), (2938, 6861), (4407, 4574)]