15954620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1543}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 37352448

約数和(自身を除く): 21397828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 1543, 2068, 2585, 3086, 5170, 6172, 7715, 10340, 15430, 16973, 30860, 33946, 67892, 72521, 84865, 145042, 169730, 290084, 339460, 362605, 725210, 797731, 1450420, 1595462, 3190924, 3988655, 7977310, 15954620]

約数ペア:

[(1, 15954620), (2, 7977310), (4, 3988655), (5, 3190924), (10, 1595462), (11, 1450420), (20, 797731), (22, 725210), (44, 362605), (47, 339460), (55, 290084), (94, 169730), (110, 145042), (188, 84865), (220, 72521), (235, 67892), (470, 33946), (517, 30860), (940, 16973), (1034, 15430), (1543, 10340), (2068, 7715), (2585, 6172), (3086, 5170)]