20881722

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1621}}^1$

素因数の和:1758

約数の個数: 32

約数和(自身を含む): 44377920

約数和(自身を除く): 23496198

約数列:

[1, 2, 3, 6, 19, 38, 57, 113, 114, 226, 339, 678, 1621, 2147, 3242, 4294, 4863, 6441, 9726, 12882, 30799, 61598, 92397, 183173, 184794, 366346, 549519, 1099038, 3480287, 6960574, 10440861, 20881722]

約数ペア:

[(1, 20881722), (2, 10440861), (3, 6960574), (6, 3480287), (19, 1099038), (38, 549519), (57, 366346), (113, 184794), (114, 183173), (226, 92397), (339, 61598), (678, 30799), (1621, 12882), (2147, 9726), (3242, 6441), (4294, 4863)]