20967892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 20944748

約数列:

[1, 2, 4, 11, 22, 41, 44, 59, 82, 118, 164, 197, 236, 394, 451, 649, 788, 902, 1298, 1804, 2167, 2419, 2596, 4334, 4838, 8077, 8668, 9676, 11623, 16154, 23246, 26609, 32308, 46492, 53218, 88847, 106436, 127853, 177694, 255706, 355388, 476543, 511412, 953086, 1906172, 5241973, 10483946, 20967892]

約数ペア:

[(1, 20967892), (2, 10483946), (4, 5241973), (11, 1906172), (22, 953086), (41, 511412), (44, 476543), (59, 355388), (82, 255706), (118, 177694), (164, 127853), (197, 106436), (236, 88847), (394, 53218), (451, 46492), (649, 32308), (788, 26609), (902, 23246), (1298, 16154), (1804, 11623), (2167, 9676), (2419, 8668), (2596, 8077), (4334, 4838)]