20166700815

素因数分解:

$3^4\times 5^1\times {\mathrm{2731}}^1\times {\mathrm{18233}}^1$

素因数の和:20981

約数の個数: 40

約数和(自身を含む): 36165899088

約数和(自身を除く): 15999198273

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2731, 8193, 13655, 18233, 24579, 40965, 54699, 73737, 91165, 122895, 164097, 221211, 273495, 368685, 492291, 820485, 1106055, 1476873, 2461455, 7384365, 49794323, 149382969, 248971615, 448148907, 746914845, 1344446721, 2240744535, 4033340163, 6722233605, 20166700815]

約数ペア:

[(1, 20166700815), (3, 6722233605), (5, 4033340163), (9, 2240744535), (15, 1344446721), (27, 746914845), (45, 448148907), (81, 248971615), (135, 149382969), (405, 49794323), (2731, 7384365), (8193, 2461455), (13655, 1476873), (18233, 1106055), (24579, 820485), (40965, 492291), (54699, 368685), (73737, 273495), (91165, 221211), (122895, 164097)]