20953782

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{16871}}^1$

素因数の和:16905

約数の個数: 32

約数和(自身を含む): 48591360

約数和(自身を除く): 27637578

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 16871, 33742, 50613, 101226, 151839, 303678, 388033, 455517, 776066, 911034, 1164099, 2328198, 3492297, 6984594, 10476891, 20953782]

約数ペア:

[(1, 20953782), (2, 10476891), (3, 6984594), (6, 3492297), (9, 2328198), (18, 1164099), (23, 911034), (27, 776066), (46, 455517), (54, 388033), (69, 303678), (138, 151839), (207, 101226), (414, 50613), (621, 33742), (1242, 16871)]