16947260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 40219200

約数和(自身を除く): 23271940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 121, 149, 188, 220, 235, 242, 298, 470, 484, 517, 596, 605, 745, 940, 1034, 1210, 1490, 1639, 2068, 2420, 2585, 2980, 3278, 5170, 5687, 6556, 7003, 8195, 10340, 11374, 14006, 16390, 18029, 22748, 28012, 28435, 32780, 35015, 36058, 56870, 70030, 72116, 77033, 90145, 113740, 140060, 154066, 180290, 308132, 360580, 385165, 770330, 847363, 1540660, 1694726, 3389452, 4236815, 8473630, 16947260]

約数ペア:

[(1, 16947260), (2, 8473630), (4, 4236815), (5, 3389452), (10, 1694726), (11, 1540660), (20, 847363), (22, 770330), (44, 385165), (47, 360580), (55, 308132), (94, 180290), (110, 154066), (121, 140060), (149, 113740), (188, 90145), (220, 77033), (235, 72116), (242, 70030), (298, 56870), (470, 36058), (484, 35015), (517, 32780), (596, 28435), (605, 28012), (745, 22748), (940, 18029), (1034, 16390), (1210, 14006), (1490, 11374), (1639, 10340), (2068, 8195), (2420, 7003), (2585, 6556), (2980, 5687), (3278, 5170)]