20120004

素因数分解:

$2^2\times 3^2\times {\mathrm{197}}^1\times {\mathrm{2837}}^1$

素因数の和:3044

約数の個数: 36

約数和(自身を含む): 51135084

約数和(自身を除く): 31015080

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 197, 394, 591, 788, 1182, 1773, 2364, 2837, 3546, 5674, 7092, 8511, 11348, 17022, 25533, 34044, 51066, 102132, 558889, 1117778, 1676667, 2235556, 3353334, 5030001, 6706668, 10060002, 20120004]

約数ペア:

[(1, 20120004), (2, 10060002), (3, 6706668), (4, 5030001), (6, 3353334), (9, 2235556), (12, 1676667), (18, 1117778), (36, 558889), (197, 102132), (394, 51066), (591, 34044), (788, 25533), (1182, 17022), (1773, 11348), (2364, 8511), (2837, 7092), (3546, 5674)]