19980060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3433}}^1$

素因数の和:3542

約数の個数: 48

約数和(自身を含む): 56537376

約数和(自身を除く): 36557316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 3433, 5820, 6866, 10299, 13732, 17165, 20598, 34330, 41196, 51495, 68660, 102990, 205980, 333001, 666002, 999003, 1332004, 1665005, 1998006, 3330010, 3996012, 4995015, 6660020, 9990030, 19980060]

約数ペア:

[(1, 19980060), (2, 9990030), (3, 6660020), (4, 4995015), (5, 3996012), (6, 3330010), (10, 1998006), (12, 1665005), (15, 1332004), (20, 999003), (30, 666002), (60, 333001), (97, 205980), (194, 102990), (291, 68660), (388, 51495), (485, 41196), (582, 34330), (970, 20598), (1164, 17165), (1455, 13732), (1940, 10299), (2910, 6866), (3433, 5820)]