20291217411

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1\times {\mathrm{3697}}^1$

素因数の和:4171

約数の個数: 32

約数和(自身を含む): 27970843648

約数和(自身を除く): 7679626237

約数列:

[1, 3, 43, 129, 157, 271, 471, 813, 3697, 6751, 11091, 11653, 20253, 34959, 42547, 127641, 158971, 476913, 580429, 1001887, 1741287, 1829521, 3005661, 5488563, 24958447, 43081141, 74875341, 129243423, 157296259, 471888777, 6763739137, 20291217411]

約数ペア:

[(1, 20291217411), (3, 6763739137), (43, 471888777), (129, 157296259), (157, 129243423), (271, 74875341), (471, 43081141), (813, 24958447), (3697, 5488563), (6751, 3005661), (11091, 1829521), (11653, 1741287), (20253, 1001887), (34959, 580429), (42547, 476913), (127641, 158971)]