20189778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28277}}^1$

素因数の和:28306

約数の個数: 32

約数和(自身を含む): 48864384

約数和(自身を除く): 28674606

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 28277, 56554, 84831, 169662, 197939, 395878, 480709, 593817, 961418, 1187634, 1442127, 2884254, 3364963, 6729926, 10094889, 20189778]

約数ペア:

[(1, 20189778), (2, 10094889), (3, 6729926), (6, 3364963), (7, 2884254), (14, 1442127), (17, 1187634), (21, 961418), (34, 593817), (42, 480709), (51, 395878), (102, 197939), (119, 169662), (238, 84831), (357, 56554), (714, 28277)]