20930640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87211}}^1$

素因数の和:87227

約数の個数: 40

約数和(自身を含む): 64885728

約数和(自身を除く): 43955088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87211, 174422, 261633, 348844, 436055, 523266, 697688, 872110, 1046532, 1308165, 1395376, 1744220, 2093064, 2616330, 3488440, 4186128, 5232660, 6976880, 10465320, 20930640]

約数ペア:

[(1, 20930640), (2, 10465320), (3, 6976880), (4, 5232660), (5, 4186128), (6, 3488440), (8, 2616330), (10, 2093064), (12, 1744220), (15, 1395376), (16, 1308165), (20, 1046532), (24, 872110), (30, 697688), (40, 523266), (48, 436055), (60, 348844), (80, 261633), (120, 174422), (240, 87211)]