20480700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{233}}^1\times {\mathrm{293}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 59714928

約数和(自身を除く): 39234228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 233, 293, 300, 466, 586, 699, 879, 932, 1165, 1172, 1398, 1465, 1758, 2330, 2796, 2930, 3495, 3516, 4395, 4660, 5825, 5860, 6990, 7325, 8790, 11650, 13980, 14650, 17475, 17580, 21975, 23300, 29300, 34950, 43950, 68269, 69900, 87900, 136538, 204807, 273076, 341345, 409614, 682690, 819228, 1024035, 1365380, 1706725, 2048070, 3413450, 4096140, 5120175, 6826900, 10240350, 20480700]

約数ペア:

[(1, 20480700), (2, 10240350), (3, 6826900), (4, 5120175), (5, 4096140), (6, 3413450), (10, 2048070), (12, 1706725), (15, 1365380), (20, 1024035), (25, 819228), (30, 682690), (50, 409614), (60, 341345), (75, 273076), (100, 204807), (150, 136538), (233, 87900), (293, 69900), (300, 68269), (466, 43950), (586, 34950), (699, 29300), (879, 23300), (932, 21975), (1165, 17580), (1172, 17475), (1398, 14650), (1465, 13980), (1758, 11650), (2330, 8790), (2796, 7325), (2930, 6990), (3495, 5860), (3516, 5825), (4395, 4660)]