20889840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87041}}^1$

素因数の和:87057

約数の個数: 40

約数和(自身を含む): 64759248

約数和(自身を除く): 43869408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87041, 174082, 261123, 348164, 435205, 522246, 696328, 870410, 1044492, 1305615, 1392656, 1740820, 2088984, 2611230, 3481640, 4177968, 5222460, 6963280, 10444920, 20889840]

約数ペア:

[(1, 20889840), (2, 10444920), (3, 6963280), (4, 5222460), (5, 4177968), (6, 3481640), (8, 2611230), (10, 2088984), (12, 1740820), (15, 1392656), (16, 1305615), (20, 1044492), (24, 870410), (30, 696328), (40, 522246), (48, 435205), (60, 348164), (80, 261123), (120, 174082), (240, 87041)]