19900560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{293}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 62121024

約数和(自身を除く): 42220464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 283, 293, 566, 586, 849, 879, 1132, 1172, 1415, 1465, 1698, 1758, 2264, 2344, 2830, 2930, 3396, 3516, 4245, 4395, 4528, 4688, 5660, 5860, 6792, 7032, 8490, 8790, 11320, 11720, 13584, 14064, 16980, 17580, 22640, 23440, 33960, 35160, 67920, 70320, 82919, 165838, 248757, 331676, 414595, 497514, 663352, 829190, 995028, 1243785, 1326704, 1658380, 1990056, 2487570, 3316760, 3980112, 4975140, 6633520, 9950280, 19900560]

約数ペア:

[(1, 19900560), (2, 9950280), (3, 6633520), (4, 4975140), (5, 3980112), (6, 3316760), (8, 2487570), (10, 1990056), (12, 1658380), (15, 1326704), (16, 1243785), (20, 995028), (24, 829190), (30, 663352), (40, 497514), (48, 414595), (60, 331676), (80, 248757), (120, 165838), (240, 82919), (283, 70320), (293, 67920), (566, 35160), (586, 33960), (849, 23440), (879, 22640), (1132, 17580), (1172, 16980), (1415, 14064), (1465, 13584), (1698, 11720), (1758, 11320), (2264, 8790), (2344, 8490), (2830, 7032), (2930, 6792), (3396, 5860), (3516, 5660), (4245, 4688), (4395, 4528)]