20144991604

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1\times {\mathrm{6779}}^1$

素因数の和:7504

約数の個数: 48

約数和(自身を含む): 37781956800

約数和(自身を除く): 17636965196

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 641, 1159, 1282, 2318, 2564, 4636, 6779, 12179, 13558, 24358, 27116, 39101, 48716, 78202, 128801, 156404, 257602, 413519, 515204, 742919, 827038, 1485838, 1654076, 2971676, 4345339, 7856861, 8690678, 15713722, 17381356, 31427444, 82561441, 165122882, 265065679, 330245764, 530131358, 1060262716, 5036247901, 10072495802, 20144991604]

約数ペア:

[(1, 20144991604), (2, 10072495802), (4, 5036247901), (19, 1060262716), (38, 530131358), (61, 330245764), (76, 265065679), (122, 165122882), (244, 82561441), (641, 31427444), (1159, 17381356), (1282, 15713722), (2318, 8690678), (2564, 7856861), (4636, 4345339), (6779, 2971676), (12179, 1654076), (13558, 1485838), (24358, 827038), (27116, 742919), (39101, 515204), (48716, 413519), (78202, 257602), (128801, 156404)]