20567383400

素因数分解:

$2^3\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1238999}}^1$

素因数の和:1239098

約数の個数: 48

約数和(自身を含む): 48395340000

約数和(自身を除く): 27827956600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 166, 200, 332, 415, 664, 830, 1660, 2075, 3320, 4150, 8300, 16600, 1238999, 2477998, 4955996, 6194995, 9911992, 12389990, 24779980, 30974975, 49559960, 61949950, 102836917, 123899900, 205673834, 247799800, 411347668, 514184585, 822695336, 1028369170, 2056738340, 2570922925, 4113476680, 5141845850, 10283691700, 20567383400]

約数ペア:

[(1, 20567383400), (2, 10283691700), (4, 5141845850), (5, 4113476680), (8, 2570922925), (10, 2056738340), (20, 1028369170), (25, 822695336), (40, 514184585), (50, 411347668), (83, 247799800), (100, 205673834), (166, 123899900), (200, 102836917), (332, 61949950), (415, 49559960), (664, 30974975), (830, 24779980), (1660, 12389990), (2075, 9911992), (3320, 6194995), (4150, 4955996), (8300, 2477998), (16600, 1238999)]