20703720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4663}}^1$

素因数の和:4714

約数の個数: 64

約数和(自身を含む): 63803520

約数和(自身を除く): 43099800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4663, 9326, 13989, 18652, 23315, 27978, 37304, 46630, 55956, 69945, 93260, 111912, 139890, 172531, 186520, 279780, 345062, 517593, 559560, 690124, 862655, 1035186, 1380248, 1725310, 2070372, 2587965, 3450620, 4140744, 5175930, 6901240, 10351860, 20703720]

約数ペア:

[(1, 20703720), (2, 10351860), (3, 6901240), (4, 5175930), (5, 4140744), (6, 3450620), (8, 2587965), (10, 2070372), (12, 1725310), (15, 1380248), (20, 1035186), (24, 862655), (30, 690124), (37, 559560), (40, 517593), (60, 345062), (74, 279780), (111, 186520), (120, 172531), (148, 139890), (185, 111912), (222, 93260), (296, 69945), (370, 55956), (444, 46630), (555, 37304), (740, 27978), (888, 23315), (1110, 18652), (1480, 13989), (2220, 9326), (4440, 4663)]