20492700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{823}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 60079488

約数和(自身を除く): 39586788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 83, 100, 150, 166, 249, 300, 332, 415, 498, 823, 830, 996, 1245, 1646, 1660, 2075, 2469, 2490, 3292, 4115, 4150, 4938, 4980, 6225, 8230, 8300, 9876, 12345, 12450, 16460, 20575, 24690, 24900, 41150, 49380, 61725, 68309, 82300, 123450, 136618, 204927, 246900, 273236, 341545, 409854, 683090, 819708, 1024635, 1366180, 1707725, 2049270, 3415450, 4098540, 5123175, 6830900, 10246350, 20492700]

約数ペア:

[(1, 20492700), (2, 10246350), (3, 6830900), (4, 5123175), (5, 4098540), (6, 3415450), (10, 2049270), (12, 1707725), (15, 1366180), (20, 1024635), (25, 819708), (30, 683090), (50, 409854), (60, 341545), (75, 273236), (83, 246900), (100, 204927), (150, 136618), (166, 123450), (249, 82300), (300, 68309), (332, 61725), (415, 49380), (498, 41150), (823, 24900), (830, 24690), (996, 20575), (1245, 16460), (1646, 12450), (1660, 12345), (2075, 9876), (2469, 8300), (2490, 8230), (3292, 6225), (4115, 4980), (4150, 4938)]