20027864

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{499}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 39150000

約数和(自身を除く): 19122136

約数列:

[1, 2, 4, 8, 29, 58, 116, 173, 232, 346, 499, 692, 998, 1384, 1996, 3992, 5017, 10034, 14471, 20068, 28942, 40136, 57884, 86327, 115768, 172654, 345308, 690616, 2503483, 5006966, 10013932, 20027864]

約数ペア:

[(1, 20027864), (2, 10013932), (4, 5006966), (8, 2503483), (29, 690616), (58, 345308), (116, 172654), (173, 115768), (232, 86327), (346, 57884), (499, 40136), (692, 28942), (998, 20068), (1384, 14471), (1996, 10034), (3992, 5017)]