20037720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4513}}^1$

素因数の和:4564

約数の個数: 64

約数和(自身を含む): 61751520

約数和(自身を除く): 41713800

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, 4513, 9026, 13539, 18052, 22565, 27078, 36104, 45130, 54156, 67695, 90260, 108312, 135390, 166981, 180520, 270780, 333962, 500943, 541560, 667924, 834905, 1001886, 1335848, 1669810, 2003772, 2504715, 3339620, 4007544, 5009430, 6679240, 10018860, 20037720]

約数ペア:

[(1, 20037720), (2, 10018860), (3, 6679240), (4, 5009430), (5, 4007544), (6, 3339620), (8, 2504715), (10, 2003772), (12, 1669810), (15, 1335848), (20, 1001886), (24, 834905), (30, 667924), (37, 541560), (40, 500943), (60, 333962), (74, 270780), (111, 180520), (120, 166981), (148, 135390), (185, 108312), (222, 90260), (296, 67695), (370, 54156), (444, 45130), (555, 36104), (740, 27078), (888, 22565), (1110, 18052), (1480, 13539), (2220, 9026), (4440, 4513)]