20535580079

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{1307}}^1\times {\mathrm{11057}}^1$

素因数の和:12407

約数の個数: 24

約数和(自身を含む): 24733207440

約数和(自身を除く): 4197627361

約数列:

[1, 7, 29, 49, 203, 1307, 1421, 9149, 11057, 37903, 64043, 77399, 265321, 320653, 541793, 1857247, 2244571, 14451499, 15711997, 101160493, 419093471, 708123451, 2933654297, 20535580079]

約数ペア:

[(1, 20535580079), (7, 2933654297), (29, 708123451), (49, 419093471), (203, 101160493), (1307, 15711997), (1421, 14451499), (9149, 2244571), (11057, 1857247), (37903, 541793), (64043, 320653), (77399, 265321)]