11920660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 26142480

約数和(自身を除く): 14221820

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 89, 148, 178, 181, 185, 356, 362, 370, 445, 724, 740, 890, 905, 1780, 1810, 3293, 3620, 6586, 6697, 13172, 13394, 16109, 16465, 26788, 32218, 32930, 33485, 64436, 65860, 66970, 80545, 133940, 161090, 322180, 596033, 1192066, 2384132, 2980165, 5960330, 11920660]

約数ペア:

[(1, 11920660), (2, 5960330), (4, 2980165), (5, 2384132), (10, 1192066), (20, 596033), (37, 322180), (74, 161090), (89, 133940), (148, 80545), (178, 66970), (181, 65860), (185, 64436), (356, 33485), (362, 32930), (370, 32218), (445, 26788), (724, 16465), (740, 16109), (890, 13394), (905, 13172), (1780, 6697), (1810, 6586), (3293, 3620)]