20089890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2011}}^1$

素因数の和:2064

約数の個数: 64

約数和(自身を含む): 55048320

約数和(自身を除く): 34958430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 2011, 3330, 4022, 4995, 6033, 9990, 10055, 12066, 18099, 20110, 30165, 36198, 54297, 60330, 74407, 90495, 108594, 148814, 180990, 223221, 271485, 372035, 446442, 542970, 669663, 744070, 1116105, 1339326, 2008989, 2232210, 3348315, 4017978, 6696630, 10044945, 20089890]

約数ペア:

[(1, 20089890), (2, 10044945), (3, 6696630), (5, 4017978), (6, 3348315), (9, 2232210), (10, 2008989), (15, 1339326), (18, 1116105), (27, 744070), (30, 669663), (37, 542970), (45, 446442), (54, 372035), (74, 271485), (90, 223221), (111, 180990), (135, 148814), (185, 108594), (222, 90495), (270, 74407), (333, 60330), (370, 54297), (555, 36198), (666, 30165), (999, 20110), (1110, 18099), (1665, 12066), (1998, 10055), (2011, 9990), (3330, 6033), (4022, 4995)]