20131416890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{937}}^1\times {\mathrm{12713}}^1$

素因数の和:13683

約数の個数: 48

約数和(自身を含む): 39283361208

約数和(自身を除く): 19151944318

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 937, 1690, 1874, 4685, 9370, 12181, 12713, 24362, 25426, 60905, 63565, 121810, 127130, 158353, 165269, 316706, 330538, 791765, 826345, 1583530, 1652690, 2148497, 4296994, 10742485, 11912081, 21484970, 23824162, 59560405, 119120810, 154857053, 309714106, 774285265, 1548570530, 2013141689, 4026283378, 10065708445, 20131416890]

約数ペア:

[(1, 20131416890), (2, 10065708445), (5, 4026283378), (10, 2013141689), (13, 1548570530), (26, 774285265), (65, 309714106), (130, 154857053), (169, 119120810), (338, 59560405), (845, 23824162), (937, 21484970), (1690, 11912081), (1874, 10742485), (4685, 4296994), (9370, 2148497), (12181, 1652690), (12713, 1583530), (24362, 826345), (25426, 791765), (60905, 330538), (63565, 316706), (121810, 165269), (127130, 158353)]