20976720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87403}}^1$

素因数の和:87419

約数の個数: 40

約数和(自身を含む): 65028576

約数和(自身を除く): 44051856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87403, 174806, 262209, 349612, 437015, 524418, 699224, 874030, 1048836, 1311045, 1398448, 1748060, 2097672, 2622090, 3496120, 4195344, 5244180, 6992240, 10488360, 20976720]

約数ペア:

[(1, 20976720), (2, 10488360), (3, 6992240), (4, 5244180), (5, 4195344), (6, 3496120), (8, 2622090), (10, 2097672), (12, 1748060), (15, 1398448), (16, 1311045), (20, 1048836), (24, 874030), (30, 699224), (40, 524418), (48, 437015), (60, 349612), (80, 262209), (120, 174806), (240, 87403)]