20087780830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4984561}}^1$

素因数の和:4984612

約数の個数: 32

約数和(自身を含む): 40195507968

約数和(自身を除く): 20107727138

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4984561, 9969122, 24922805, 49845610, 64799293, 129598586, 154521391, 309042782, 323996465, 647992930, 772606955, 1545213910, 2008778083, 4017556166, 10043890415, 20087780830]

約数ペア:

[(1, 20087780830), (2, 10043890415), (5, 4017556166), (10, 2008778083), (13, 1545213910), (26, 772606955), (31, 647992930), (62, 323996465), (65, 309042782), (130, 154521391), (155, 129598586), (310, 64799293), (403, 49845610), (806, 24922805), (2015, 9969122), (4030, 4984561)]