20507940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113933}}^1$

素因数の和:113948

約数の個数: 36

約数和(自身を含む): 62207964

約数和(自身を除く): 41700024

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113933, 227866, 341799, 455732, 569665, 683598, 1025397, 1139330, 1367196, 1708995, 2050794, 2278660, 3417990, 4101588, 5126985, 6835980, 10253970, 20507940]

約数ペア:

[(1, 20507940), (2, 10253970), (3, 6835980), (4, 5126985), (5, 4101588), (6, 3417990), (9, 2278660), (10, 2050794), (12, 1708995), (15, 1367196), (18, 1139330), (20, 1025397), (30, 683598), (36, 569665), (45, 455732), (60, 341799), (90, 227866), (180, 113933)]