20163088

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 47246976

約数和(自身を除く): 27083888

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 23, 34, 44, 46, 68, 88, 92, 136, 176, 184, 187, 253, 272, 293, 368, 374, 391, 506, 586, 748, 782, 1012, 1172, 1496, 1564, 2024, 2344, 2992, 3128, 3223, 4048, 4301, 4688, 4981, 6256, 6446, 6739, 8602, 9962, 12892, 13478, 17204, 19924, 25784, 26956, 34408, 39848, 51568, 53912, 54791, 68816, 74129, 79696, 107824, 109582, 114563, 148258, 219164, 229126, 296516, 438328, 458252, 593032, 876656, 916504, 1186064, 1260193, 1833008, 2520386, 5040772, 10081544, 20163088]

約数ペア:

[(1, 20163088), (2, 10081544), (4, 5040772), (8, 2520386), (11, 1833008), (16, 1260193), (17, 1186064), (22, 916504), (23, 876656), (34, 593032), (44, 458252), (46, 438328), (68, 296516), (88, 229126), (92, 219164), (136, 148258), (176, 114563), (184, 109582), (187, 107824), (253, 79696), (272, 74129), (293, 68816), (368, 54791), (374, 53912), (391, 51568), (506, 39848), (586, 34408), (748, 26956), (782, 25784), (1012, 19924), (1172, 17204), (1496, 13478), (1564, 12892), (2024, 9962), (2344, 8602), (2992, 6739), (3128, 6446), (3223, 6256), (4048, 4981), (4301, 4688)]