20164648

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5903}}^1$

素因数の和:5977

約数の個数: 32

約数和(自身を含む): 43925760

約数和(自身を除く): 23761112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 5903, 11806, 23612, 41321, 47224, 82642, 165284, 330568, 360083, 720166, 1440332, 2520581, 2880664, 5041162, 10082324, 20164648]

約数ペア:

[(1, 20164648), (2, 10082324), (4, 5041162), (7, 2880664), (8, 2520581), (14, 1440332), (28, 720166), (56, 360083), (61, 330568), (122, 165284), (244, 82642), (427, 47224), (488, 41321), (854, 23612), (1708, 11806), (3416, 5903)]