20774936

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28537}}^1$

素因数の和:28563

約数の個数: 32

約数和(自身を含む): 47943840

約数和(自身を除く): 27168904

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28537, 57074, 114148, 199759, 228296, 370981, 399518, 741962, 799036, 1483924, 1598072, 2596867, 2967848, 5193734, 10387468, 20774936]

約数ペア:

[(1, 20774936), (2, 10387468), (4, 5193734), (7, 2967848), (8, 2596867), (13, 1598072), (14, 1483924), (26, 799036), (28, 741962), (52, 399518), (56, 370981), (91, 228296), (104, 199759), (182, 114148), (364, 57074), (728, 28537)]