20177500995

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1\times {\mathrm{12641}}^1$

素因数の和:13180

約数の個数: 48

約数和(自身を含む): 35498736000

約数和(自身を除く): 15321235005

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 449, 711, 1185, 1347, 2245, 3555, 4041, 6735, 12641, 20205, 35471, 37923, 63205, 106413, 113769, 177355, 189615, 319239, 532065, 568845, 998639, 1596195, 2995917, 4993195, 5675809, 8987751, 14979585, 17027427, 28379045, 44938755, 51082281, 85137135, 255411405, 448388911, 1345166733, 2241944555, 4035500199, 6725833665, 20177500995]

約数ペア:

[(1, 20177500995), (3, 6725833665), (5, 4035500199), (9, 2241944555), (15, 1345166733), (45, 448388911), (79, 255411405), (237, 85137135), (395, 51082281), (449, 44938755), (711, 28379045), (1185, 17027427), (1347, 14979585), (2245, 8987751), (3555, 5675809), (4041, 4993195), (6735, 2995917), (12641, 1596195), (20205, 998639), (35471, 568845), (37923, 532065), (63205, 319239), (106413, 189615), (113769, 177355)]