20000520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6173}}^1$

素因数の和:6196

約数の個数: 80

約数和(自身を含む): 67234860

約数和(自身を除く): 47234340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6173, 12346, 18519, 24692, 30865, 37038, 49384, 55557, 61730, 74076, 92595, 111114, 123460, 148152, 166671, 185190, 222228, 246920, 277785, 333342, 370380, 444456, 500013, 555570, 666684, 740760, 833355, 1000026, 1111140, 1333368, 1666710, 2000052, 2222280, 2500065, 3333420, 4000104, 5000130, 6666840, 10000260, 20000520]

約数ペア:

[(1, 20000520), (2, 10000260), (3, 6666840), (4, 5000130), (5, 4000104), (6, 3333420), (8, 2500065), (9, 2222280), (10, 2000052), (12, 1666710), (15, 1333368), (18, 1111140), (20, 1000026), (24, 833355), (27, 740760), (30, 666684), (36, 555570), (40, 500013), (45, 444456), (54, 370380), (60, 333342), (72, 277785), (81, 246920), (90, 222228), (108, 185190), (120, 166671), (135, 148152), (162, 123460), (180, 111114), (216, 92595), (270, 74076), (324, 61730), (360, 55557), (405, 49384), (540, 37038), (648, 30865), (810, 24692), (1080, 18519), (1620, 12346), (3240, 6173)]