16520820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1097}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 46484928

約数和(自身を除く): 29964108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1097, 1255, 1506, 2194, 2510, 3012, 3291, 3765, 4388, 5020, 5485, 6582, 7530, 10970, 13164, 15060, 16455, 21940, 32910, 65820, 275347, 550694, 826041, 1101388, 1376735, 1652082, 2753470, 3304164, 4130205, 5506940, 8260410, 16520820]

約数ペア:

[(1, 16520820), (2, 8260410), (3, 5506940), (4, 4130205), (5, 3304164), (6, 2753470), (10, 1652082), (12, 1376735), (15, 1101388), (20, 826041), (30, 550694), (60, 275347), (251, 65820), (502, 32910), (753, 21940), (1004, 16455), (1097, 15060), (1255, 13164), (1506, 10970), (2194, 7530), (2510, 6582), (3012, 5485), (3291, 5020), (3765, 4388)]