20585920

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2797}}^1$

素因数の和:2837

約数の個数: 56

約数和(自身を含む): 51169824

約数和(自身を除く): 30583904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 2797, 3680, 5594, 7360, 11188, 13985, 22376, 27970, 44752, 55940, 64331, 89504, 111880, 128662, 179008, 223760, 257324, 321655, 447520, 514648, 643310, 895040, 1029296, 1286620, 2058592, 2573240, 4117184, 5146480, 10292960, 20585920]

約数ペア:

[(1, 20585920), (2, 10292960), (4, 5146480), (5, 4117184), (8, 2573240), (10, 2058592), (16, 1286620), (20, 1029296), (23, 895040), (32, 643310), (40, 514648), (46, 447520), (64, 321655), (80, 257324), (92, 223760), (115, 179008), (160, 128662), (184, 111880), (230, 89504), (320, 64331), (368, 55940), (460, 44752), (736, 27970), (920, 22376), (1472, 13985), (1840, 11188), (2797, 7360), (3680, 5594)]