20228103

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 37171200

約数和(自身を除く): 16943097

約数列:

[1, 3, 7, 9, 19, 21, 27, 43, 57, 63, 129, 131, 133, 171, 189, 301, 387, 393, 399, 513, 817, 903, 917, 1161, 1179, 1197, 2451, 2489, 2709, 2751, 3537, 3591, 5633, 5719, 7353, 7467, 8127, 8253, 16899, 17157, 17423, 22059, 22401, 24759, 39431, 50697, 51471, 52269, 67203, 107027, 118293, 152091, 154413, 156807, 321081, 354879, 470421, 749189, 963243, 1064637, 2247567, 2889729, 6742701, 20228103]

約数ペア:

[(1, 20228103), (3, 6742701), (7, 2889729), (9, 2247567), (19, 1064637), (21, 963243), (27, 749189), (43, 470421), (57, 354879), (63, 321081), (129, 156807), (131, 154413), (133, 152091), (171, 118293), (189, 107027), (301, 67203), (387, 52269), (393, 51471), (399, 50697), (513, 39431), (817, 24759), (903, 22401), (917, 22059), (1161, 17423), (1179, 17157), (1197, 16899), (2451, 8253), (2489, 8127), (2709, 7467), (2751, 7353), (3537, 5719), (3591, 5633)]