20216931

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2203}}^1$

素因数の和:2255

約数の個数: 32

約数和(自身を含む): 33853440

約数和(自身を除く): 13636509

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2203, 3059, 6609, 9177, 15421, 41857, 46263, 50669, 125571, 152007, 292999, 354683, 878997, 962711, 1064049, 2888133, 6738977, 20216931]

約数ペア:

[(1, 20216931), (3, 6738977), (7, 2888133), (19, 1064049), (21, 962711), (23, 878997), (57, 354683), (69, 292999), (133, 152007), (161, 125571), (399, 50669), (437, 46263), (483, 41857), (1311, 15421), (2203, 9177), (3059, 6609)]