16991340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{563}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 47755008

約数和(自身を除く): 30763668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 503, 563, 1006, 1126, 1509, 1689, 2012, 2252, 2515, 2815, 3018, 3378, 5030, 5630, 6036, 6756, 7545, 8445, 10060, 11260, 15090, 16890, 30180, 33780, 283189, 566378, 849567, 1132756, 1415945, 1699134, 2831890, 3398268, 4247835, 5663780, 8495670, 16991340]

約数ペア:

[(1, 16991340), (2, 8495670), (3, 5663780), (4, 4247835), (5, 3398268), (6, 2831890), (10, 1699134), (12, 1415945), (15, 1132756), (20, 849567), (30, 566378), (60, 283189), (503, 33780), (563, 30180), (1006, 16890), (1126, 15090), (1509, 11260), (1689, 10060), (2012, 8445), (2252, 7545), (2515, 6756), (2815, 6036), (3018, 5630), (3378, 5030)]