20314250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 42456960

約数和(自身を除く): 22142710

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 83, 89, 110, 125, 166, 178, 250, 275, 415, 445, 550, 830, 890, 913, 979, 1375, 1826, 1958, 2075, 2225, 2750, 4150, 4450, 4565, 4895, 7387, 9130, 9790, 10375, 11125, 14774, 20750, 22250, 22825, 24475, 36935, 45650, 48950, 73870, 81257, 114125, 122375, 162514, 184675, 228250, 244750, 369350, 406285, 812570, 923375, 1846750, 2031425, 4062850, 10157125, 20314250]

約数ペア:

[(1, 20314250), (2, 10157125), (5, 4062850), (10, 2031425), (11, 1846750), (22, 923375), (25, 812570), (50, 406285), (55, 369350), (83, 244750), (89, 228250), (110, 184675), (125, 162514), (166, 122375), (178, 114125), (250, 81257), (275, 73870), (415, 48950), (445, 45650), (550, 36935), (830, 24475), (890, 22825), (913, 22250), (979, 20750), (1375, 14774), (1826, 11125), (1958, 10375), (2075, 9790), (2225, 9130), (2750, 7387), (4150, 4895), (4450, 4565)]