20037960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55661}}^1$

素因数の和:55678

約数の個数: 48

約数和(自身を含む): 65124540

約数和(自身を除く): 45086580

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55661, 111322, 166983, 222644, 278305, 333966, 445288, 500949, 556610, 667932, 834915, 1001898, 1113220, 1335864, 1669830, 2003796, 2226440, 2504745, 3339660, 4007592, 5009490, 6679320, 10018980, 20037960]

約数ペア:

[(1, 20037960), (2, 10018980), (3, 6679320), (4, 5009490), (5, 4007592), (6, 3339660), (8, 2504745), (9, 2226440), (10, 2003796), (12, 1669830), (15, 1335864), (18, 1113220), (20, 1001898), (24, 834915), (30, 667932), (36, 556610), (40, 500949), (45, 445288), (60, 333966), (72, 278305), (90, 222644), (120, 166983), (180, 111322), (360, 55661)]