20992642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30781}}^1$

素因数の和:30825

約数の個数: 16

約数和(自身を含む): 35460864

約数和(自身を除く): 14468222

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 30781, 61562, 338591, 677182, 954211, 1908422, 10496321, 20992642]

約数ペア:

[(1, 20992642), (2, 10496321), (11, 1908422), (22, 954211), (31, 677182), (62, 338591), (341, 61562), (682, 30781)]