20106350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 21141010

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 139, 263, 275, 278, 526, 550, 695, 1315, 1390, 1529, 2630, 2893, 3058, 3475, 5786, 6575, 6950, 7645, 13150, 14465, 15290, 28930, 36557, 38225, 72325, 73114, 76450, 144650, 182785, 365570, 402127, 804254, 913925, 1827850, 2010635, 4021270, 10053175, 20106350]

約数ペア:

[(1, 20106350), (2, 10053175), (5, 4021270), (10, 2010635), (11, 1827850), (22, 913925), (25, 804254), (50, 402127), (55, 365570), (110, 182785), (139, 144650), (263, 76450), (275, 73114), (278, 72325), (526, 38225), (550, 36557), (695, 28930), (1315, 15290), (1390, 14465), (1529, 13150), (2630, 7645), (2893, 6950), (3058, 6575), (3475, 5786)]