20138448

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:952

約数の個数: 80

約数和(自身を含む): 58139136

約数和(自身を除く): 38000688

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 43, 44, 48, 66, 86, 88, 129, 132, 172, 176, 258, 264, 344, 473, 516, 528, 688, 887, 946, 1032, 1419, 1774, 1892, 2064, 2661, 2838, 3548, 3784, 5322, 5676, 7096, 7568, 9757, 10644, 11352, 14192, 19514, 21288, 22704, 29271, 38141, 39028, 42576, 58542, 76282, 78056, 114423, 117084, 152564, 156112, 228846, 234168, 305128, 419551, 457692, 468336, 610256, 839102, 915384, 1258653, 1678204, 1830768, 2517306, 3356408, 5034612, 6712816, 10069224, 20138448]

約数ペア:

[(1, 20138448), (2, 10069224), (3, 6712816), (4, 5034612), (6, 3356408), (8, 2517306), (11, 1830768), (12, 1678204), (16, 1258653), (22, 915384), (24, 839102), (33, 610256), (43, 468336), (44, 457692), (48, 419551), (66, 305128), (86, 234168), (88, 228846), (129, 156112), (132, 152564), (172, 117084), (176, 114423), (258, 78056), (264, 76282), (344, 58542), (473, 42576), (516, 39028), (528, 38141), (688, 29271), (887, 22704), (946, 21288), (1032, 19514), (1419, 14192), (1774, 11352), (1892, 10644), (2064, 9757), (2661, 7568), (2838, 7096), (3548, 5676), (3784, 5322)]