20486904

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 54756000

約数和(自身を除く): 34269096

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 149, 204, 298, 337, 408, 447, 596, 674, 894, 1011, 1192, 1348, 1788, 2022, 2533, 2696, 3576, 4044, 5066, 5729, 7599, 8088, 10132, 11458, 15198, 17187, 20264, 22916, 30396, 34374, 45832, 50213, 60792, 68748, 100426, 137496, 150639, 200852, 301278, 401704, 602556, 853621, 1205112, 1707242, 2560863, 3414484, 5121726, 6828968, 10243452, 20486904]

約数ペア:

[(1, 20486904), (2, 10243452), (3, 6828968), (4, 5121726), (6, 3414484), (8, 2560863), (12, 1707242), (17, 1205112), (24, 853621), (34, 602556), (51, 401704), (68, 301278), (102, 200852), (136, 150639), (149, 137496), (204, 100426), (298, 68748), (337, 60792), (408, 50213), (447, 45832), (596, 34374), (674, 30396), (894, 22916), (1011, 20264), (1192, 17187), (1348, 15198), (1788, 11458), (2022, 10132), (2533, 8088), (2696, 7599), (3576, 5729), (4044, 5066)]