20802240921

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{877}}^1\times {\mathrm{14669}}^1$

素因数の和:15574

約数の個数: 48

約数和(自身を含む): 35240391360

約数和(自身を除く): 14438150439

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 877, 1617, 2631, 6139, 9647, 14669, 18417, 28941, 42973, 44007, 67529, 102683, 128919, 161359, 202587, 308049, 472703, 484077, 718781, 1129513, 1418109, 2156343, 3388539, 7906591, 12864713, 23719773, 38594139, 90052991, 141511843, 270158973, 424535529, 630370937, 990582901, 1891112811, 2971748703, 6934080307, 20802240921]

約数ペア:

[(1, 20802240921), (3, 6934080307), (7, 2971748703), (11, 1891112811), (21, 990582901), (33, 630370937), (49, 424535529), (77, 270158973), (147, 141511843), (231, 90052991), (539, 38594139), (877, 23719773), (1617, 12864713), (2631, 7906591), (6139, 3388539), (9647, 2156343), (14669, 1418109), (18417, 1129513), (28941, 718781), (42973, 484077), (44007, 472703), (67529, 308049), (102683, 202587), (128919, 161359)]