20790952

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28559}}^1$

素因数の和:28585

約数の個数: 32

約数和(自身を含む): 47980800

約数和(自身を除く): 27189848

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28559, 57118, 114236, 199913, 228472, 371267, 399826, 742534, 799652, 1485068, 1599304, 2598869, 2970136, 5197738, 10395476, 20790952]

約数ペア:

[(1, 20790952), (2, 10395476), (4, 5197738), (7, 2970136), (8, 2598869), (13, 1599304), (14, 1485068), (26, 799652), (28, 742534), (52, 399826), (56, 371267), (91, 228472), (104, 199913), (182, 114236), (364, 57118), (728, 28559)]