20415960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56711}}^1$

素因数の和:56728

約数の個数: 48

約数和(自身を含む): 66353040

約数和(自身を除く): 45937080

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, 56711, 113422, 170133, 226844, 283555, 340266, 453688, 510399, 567110, 680532, 850665, 1020798, 1134220, 1361064, 1701330, 2041596, 2268440, 2551995, 3402660, 4083192, 5103990, 6805320, 10207980, 20415960]

約数ペア:

[(1, 20415960), (2, 10207980), (3, 6805320), (4, 5103990), (5, 4083192), (6, 3402660), (8, 2551995), (9, 2268440), (10, 2041596), (12, 1701330), (15, 1361064), (18, 1134220), (20, 1020798), (24, 850665), (30, 680532), (36, 567110), (40, 510399), (45, 453688), (60, 340266), (72, 283555), (90, 226844), (120, 170133), (180, 113422), (360, 56711)]