16920828

素因数分解:

$2^2\times 3^2\times {\mathrm{443}}^1\times {\mathrm{1061}}^1$

素因数の和:1514

約数の個数: 36

約数和(自身を含む): 42909048

約数和(自身を除く): 25988220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 443, 886, 1061, 1329, 1772, 2122, 2658, 3183, 3987, 4244, 5316, 6366, 7974, 9549, 12732, 15948, 19098, 38196, 470023, 940046, 1410069, 1880092, 2820138, 4230207, 5640276, 8460414, 16920828]

約数ペア:

[(1, 16920828), (2, 8460414), (3, 5640276), (4, 4230207), (6, 2820138), (9, 1880092), (12, 1410069), (18, 940046), (36, 470023), (443, 38196), (886, 19098), (1061, 15948), (1329, 12732), (1772, 9549), (2122, 7974), (2658, 6366), (3183, 5316), (3987, 4244)]