20123691405

素因数分解:

$3^1\times 5^1\times {\mathrm{6361}}^1\times {\mathrm{210907}}^1$

素因数の和:217276

約数の個数: 16

約数和(自身を含む): 32203120704

約数和(自身を除く): 12079429299

約数列:

[1, 3, 5, 15, 6361, 19083, 31805, 95415, 210907, 632721, 1054535, 3163605, 1341579427, 4024738281, 6707897135, 20123691405]

約数ペア:

[(1, 20123691405), (3, 6707897135), (5, 4024738281), (15, 1341579427), (6361, 3163605), (19083, 1054535), (31805, 632721), (95415, 210907)]