20687528740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1\times {\mathrm{57809}}^1$

素因数の和:58464

約数の個数: 48

約数和(自身を含む): 45015490800

約数和(自身を除く): 24327962060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 617, 1234, 2468, 3085, 6170, 12340, 17893, 35786, 57809, 71572, 89465, 115618, 178930, 231236, 289045, 357860, 578090, 1156180, 1676461, 3352922, 6705844, 8382305, 16764610, 33529220, 35668153, 71336306, 142672612, 178340765, 356681530, 713363060, 1034376437, 2068752874, 4137505748, 5171882185, 10343764370, 20687528740]

約数ペア:

[(1, 20687528740), (2, 10343764370), (4, 5171882185), (5, 4137505748), (10, 2068752874), (20, 1034376437), (29, 713363060), (58, 356681530), (116, 178340765), (145, 142672612), (290, 71336306), (580, 35668153), (617, 33529220), (1234, 16764610), (2468, 8382305), (3085, 6705844), (6170, 3352922), (12340, 1676461), (17893, 1156180), (35786, 578090), (57809, 357860), (71572, 289045), (89465, 231236), (115618, 178930)]