20199208393

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{87631}}^1$

素因数の和:87817

約数の個数: 32

約数和(自身を含む): 26499916800

約数和(自身を除く): 6300708407

約数列:

[1, 7, 13, 17, 91, 119, 149, 221, 1043, 1547, 1937, 2533, 13559, 17731, 32929, 87631, 230503, 613417, 1139203, 1489727, 7974421, 10428089, 13057019, 19366451, 91399133, 135565157, 169741247, 221969323, 1188188729, 1553785261, 2885601199, 20199208393]

約数ペア:

[(1, 20199208393), (7, 2885601199), (13, 1553785261), (17, 1188188729), (91, 221969323), (119, 169741247), (149, 135565157), (221, 91399133), (1043, 19366451), (1547, 13057019), (1937, 10428089), (2533, 7974421), (13559, 1489727), (17731, 1139203), (32929, 613417), (87631, 230503)]