20199333820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{352273}}^1$

素因数の和:352390

約数の個数: 48

約数和(自身を含む): 44031431808

約数和(自身を除く): 23832097988

約数列:

[1, 2, 4, 5, 10, 20, 47, 61, 94, 122, 188, 235, 244, 305, 470, 610, 940, 1220, 2867, 5734, 11468, 14335, 28670, 57340, 352273, 704546, 1409092, 1761365, 3522730, 7045460, 16556831, 21488653, 33113662, 42977306, 66227324, 82784155, 85954612, 107443265, 165568310, 214886530, 331136620, 429773060, 1009966691, 2019933382, 4039866764, 5049833455, 10099666910, 20199333820]

約数ペア:

[(1, 20199333820), (2, 10099666910), (4, 5049833455), (5, 4039866764), (10, 2019933382), (20, 1009966691), (47, 429773060), (61, 331136620), (94, 214886530), (122, 165568310), (188, 107443265), (235, 85954612), (244, 82784155), (305, 66227324), (470, 42977306), (610, 33113662), (940, 21488653), (1220, 16556831), (2867, 7045460), (5734, 3522730), (11468, 1761365), (14335, 1409092), (28670, 704546), (57340, 352273)]