20164024600

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2145109}}^1$

素因数の和:2145172

約数の個数: 48

約数和(自身を含む): 47878855200

約数和(自身を除く): 27714830600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 188, 200, 235, 376, 470, 940, 1175, 1880, 2350, 4700, 9400, 2145109, 4290218, 8580436, 10725545, 17160872, 21451090, 42902180, 53627725, 85804360, 100820123, 107255450, 201640246, 214510900, 403280492, 429021800, 504100615, 806560984, 1008201230, 2016402460, 2520503075, 4032804920, 5041006150, 10082012300, 20164024600]

約数ペア:

[(1, 20164024600), (2, 10082012300), (4, 5041006150), (5, 4032804920), (8, 2520503075), (10, 2016402460), (20, 1008201230), (25, 806560984), (40, 504100615), (47, 429021800), (50, 403280492), (94, 214510900), (100, 201640246), (188, 107255450), (200, 100820123), (235, 85804360), (376, 53627725), (470, 42902180), (940, 21451090), (1175, 17160872), (1880, 10725545), (2350, 8580436), (4700, 4290218), (9400, 2145109)]