20412555

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1069}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 34924800

約数和(自身を除く): 14512245

約数列:

[1, 3, 5, 15, 19, 57, 67, 95, 201, 285, 335, 1005, 1069, 1273, 3207, 3819, 5345, 6365, 16035, 19095, 20311, 60933, 71623, 101555, 214869, 304665, 358115, 1074345, 1360837, 4082511, 6804185, 20412555]

約数ペア:

[(1, 20412555), (3, 6804185), (5, 4082511), (15, 1360837), (19, 1074345), (57, 358115), (67, 304665), (95, 214869), (201, 101555), (285, 71623), (335, 60933), (1005, 20311), (1069, 19095), (1273, 16035), (3207, 6365), (3819, 5345)]