20602840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27109}}^1$

素因数の和:27139

約数の個数: 32

約数和(自身を含む): 48798000

約数和(自身を除く): 28195160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 27109, 54218, 108436, 135545, 216872, 271090, 515071, 542180, 1030142, 1084360, 2060284, 2575355, 4120568, 5150710, 10301420, 20602840]

約数ペア:

[(1, 20602840), (2, 10301420), (4, 5150710), (5, 4120568), (8, 2575355), (10, 2060284), (19, 1084360), (20, 1030142), (38, 542180), (40, 515071), (76, 271090), (95, 216872), (152, 135545), (190, 108436), (380, 54218), (760, 27109)]