20059972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4327}}^1$

素因数の和:4411

約数の個数: 24

約数和(自身を含む): 37567040

約数和(自身を除く): 17507068

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4327, 4636, 8654, 17308, 82213, 164426, 263947, 328852, 527894, 1055788, 5014993, 10029986, 20059972]

約数ペア:

[(1, 20059972), (2, 10029986), (4, 5014993), (19, 1055788), (38, 527894), (61, 328852), (76, 263947), (122, 164426), (244, 82213), (1159, 17308), (2318, 8654), (4327, 4636)]