20499258

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7103}}^1$

素因数の和:7158

約数の個数: 32

約数和(自身を含む): 45351936

約数和(自身を除く): 24852678

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 7103, 14206, 21309, 42618, 92339, 184678, 262811, 277017, 525622, 554034, 788433, 1576866, 3416543, 6833086, 10249629, 20499258]

約数ペア:

[(1, 20499258), (2, 10249629), (3, 6833086), (6, 3416543), (13, 1576866), (26, 788433), (37, 554034), (39, 525622), (74, 277017), (78, 262811), (111, 184678), (222, 92339), (481, 42618), (962, 21309), (1443, 14206), (2886, 7103)]