20838146

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 15933694

約数列:

[1, 2, 7, 14, 79, 83, 158, 166, 227, 454, 553, 581, 1106, 1162, 1589, 3178, 6557, 13114, 17933, 18841, 35866, 37682, 45899, 91798, 125531, 131887, 251062, 263774, 1488439, 2976878, 10419073, 20838146]

約数ペア:

[(1, 20838146), (2, 10419073), (7, 2976878), (14, 1488439), (79, 263774), (83, 251062), (158, 131887), (166, 125531), (227, 91798), (454, 45899), (553, 37682), (581, 35866), (1106, 18841), (1162, 17933), (1589, 13114), (3178, 6557)]