20973944

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{16699}}^1$

素因数の和:16862

約数の個数: 16

約数和(自身を含む): 39579000

約数和(自身を除く): 18605056

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 16699, 33398, 66796, 133592, 2621743, 5243486, 10486972, 20973944]

約数ペア:

[(1, 20973944), (2, 10486972), (4, 5243486), (8, 2621743), (157, 133592), (314, 66796), (628, 33398), (1256, 16699)]