20713088

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 46120320

約数和(自身を除く): 25407232

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 64, 88, 94, 128, 176, 188, 313, 352, 376, 517, 626, 704, 752, 1034, 1252, 1408, 1504, 2068, 2504, 3008, 3443, 4136, 5008, 6016, 6886, 8272, 10016, 13772, 14711, 16544, 20032, 27544, 29422, 33088, 40064, 55088, 58844, 66176, 110176, 117688, 161821, 220352, 235376, 323642, 440704, 470752, 647284, 941504, 1294568, 1883008, 2589136, 5178272, 10356544, 20713088]

約数ペア:

[(1, 20713088), (2, 10356544), (4, 5178272), (8, 2589136), (11, 1883008), (16, 1294568), (22, 941504), (32, 647284), (44, 470752), (47, 440704), (64, 323642), (88, 235376), (94, 220352), (128, 161821), (176, 117688), (188, 110176), (313, 66176), (352, 58844), (376, 55088), (517, 40064), (626, 33088), (704, 29422), (752, 27544), (1034, 20032), (1252, 16544), (1408, 14711), (1504, 13772), (2068, 10016), (2504, 8272), (3008, 6886), (3443, 6016), (4136, 5008)]