20172960925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{4561}}^1$

素因数の和:5054

約数の個数: 48

約数和(自身を含む): 27877104640

約数和(自身を除く): 7704143715

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 439, 775, 2015, 2195, 4561, 5707, 10075, 10975, 13609, 22805, 28535, 59293, 68045, 114025, 141391, 142675, 176917, 296465, 340225, 706955, 884585, 1482325, 1838083, 2002279, 3534775, 4422925, 9190415, 10011395, 26029627, 45952075, 50056975, 62070649, 130148135, 310353245, 650740675, 806918437, 1551766225, 4034592185, 20172960925]

約数ペア:

[(1, 20172960925), (5, 4034592185), (13, 1551766225), (25, 806918437), (31, 650740675), (65, 310353245), (155, 130148135), (325, 62070649), (403, 50056975), (439, 45952075), (775, 26029627), (2015, 10011395), (2195, 9190415), (4561, 4422925), (5707, 3534775), (10075, 2002279), (10975, 1838083), (13609, 1482325), (22805, 884585), (28535, 706955), (59293, 340225), (68045, 296465), (114025, 176917), (141391, 142675)]