20187183735

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1\times {\mathrm{5479}}^1$

素因数の和:7528

約数の個数: 48

約数和(自身を含む): 35869055040

約数和(自身を除く): 15681871305

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 1997, 5479, 5991, 9985, 16437, 17973, 27395, 29955, 49311, 81877, 82185, 89865, 224639, 245631, 246555, 409385, 673917, 736893, 1123195, 1228155, 2021751, 3369585, 3684465, 10108755, 10941563, 32824689, 54707815, 98474067, 164123445, 448604083, 492370335, 1345812249, 2243020415, 4037436747, 6729061245, 20187183735]

約数ペア:

[(1, 20187183735), (3, 6729061245), (5, 4037436747), (9, 2243020415), (15, 1345812249), (41, 492370335), (45, 448604083), (123, 164123445), (205, 98474067), (369, 54707815), (615, 32824689), (1845, 10941563), (1997, 10108755), (5479, 3684465), (5991, 3369585), (9985, 2021751), (16437, 1228155), (17973, 1123195), (27395, 736893), (29955, 673917), (49311, 409385), (81877, 246555), (82185, 245631), (89865, 224639)]