20122740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10163}}^1$

素因数の和:10189

約数の個数: 72

約数和(自身を含む): 66594528

約数和(自身を除く): 46471788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10163, 20326, 30489, 40652, 50815, 60978, 91467, 101630, 111793, 121956, 152445, 182934, 203260, 223586, 304890, 335379, 365868, 447172, 457335, 558965, 609780, 670758, 914670, 1006137, 1117930, 1341516, 1676895, 1829340, 2012274, 2235860, 3353790, 4024548, 5030685, 6707580, 10061370, 20122740]

約数ペア:

[(1, 20122740), (2, 10061370), (3, 6707580), (4, 5030685), (5, 4024548), (6, 3353790), (9, 2235860), (10, 2012274), (11, 1829340), (12, 1676895), (15, 1341516), (18, 1117930), (20, 1006137), (22, 914670), (30, 670758), (33, 609780), (36, 558965), (44, 457335), (45, 447172), (55, 365868), (60, 335379), (66, 304890), (90, 223586), (99, 203260), (110, 182934), (132, 152445), (165, 121956), (180, 111793), (198, 101630), (220, 91467), (330, 60978), (396, 50815), (495, 40652), (660, 30489), (990, 20326), (1980, 10163)]