20847678

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{653}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 44356896

約数和(自身を除く): 23509218

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 313, 626, 653, 939, 1306, 1878, 1959, 3918, 5321, 10642, 11101, 15963, 22202, 31926, 33303, 66606, 204389, 408778, 613167, 1226334, 3474613, 6949226, 10423839, 20847678]

約数ペア:

[(1, 20847678), (2, 10423839), (3, 6949226), (6, 3474613), (17, 1226334), (34, 613167), (51, 408778), (102, 204389), (313, 66606), (626, 33303), (653, 31926), (939, 22202), (1306, 15963), (1878, 11101), (1959, 10642), (3918, 5321)]