20778648

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{78707}}^1$

素因数の和:78727

約数の個数: 32

約数和(自身を含む): 56669760

約数和(自身を除く): 35891112

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 78707, 157414, 236121, 314828, 472242, 629656, 865777, 944484, 1731554, 1888968, 2597331, 3463108, 5194662, 6926216, 10389324, 20778648]

約数ペア:

[(1, 20778648), (2, 10389324), (3, 6926216), (4, 5194662), (6, 3463108), (8, 2597331), (11, 1888968), (12, 1731554), (22, 944484), (24, 865777), (33, 629656), (44, 472242), (66, 314828), (88, 236121), (132, 157414), (264, 78707)]