20772090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1549}}^1$

素因数の和:1711

約数の個数: 48

約数和(自身を含む): 54405000

約数和(自身を除く): 33632910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 298, 447, 745, 894, 1341, 1490, 1549, 2235, 2682, 3098, 4470, 4647, 6705, 7745, 9294, 13410, 13941, 15490, 23235, 27882, 46470, 69705, 139410, 230801, 461602, 692403, 1154005, 1384806, 2077209, 2308010, 3462015, 4154418, 6924030, 10386045, 20772090]

約数ペア:

[(1, 20772090), (2, 10386045), (3, 6924030), (5, 4154418), (6, 3462015), (9, 2308010), (10, 2077209), (15, 1384806), (18, 1154005), (30, 692403), (45, 461602), (90, 230801), (149, 139410), (298, 69705), (447, 46470), (745, 27882), (894, 23235), (1341, 15490), (1490, 13941), (1549, 13410), (2235, 9294), (2682, 7745), (3098, 6705), (4470, 4647)]