20172667438

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{54421}}^1$

素因数の和:54553

約数の個数: 64

約数和(自身を含む): 39497310720

約数和(自身を除く): 19324643282

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 83, 154, 166, 203, 319, 406, 581, 638, 913, 1162, 1826, 2233, 2407, 4466, 4814, 6391, 12782, 16849, 26477, 33698, 52954, 54421, 108842, 185339, 370678, 380947, 598631, 761894, 1197262, 1578209, 3156418, 4190417, 4516943, 8380834, 9033886, 11047463, 17360299, 22094926, 31618601, 34720598, 49686373, 63237202, 99372746, 121522093, 130991347, 243044186, 261982694, 347804611, 695609222, 916939429, 1440904817, 1833878858, 2881809634, 10086333719, 20172667438]

約数ペア:

[(1, 20172667438), (2, 10086333719), (7, 2881809634), (11, 1833878858), (14, 1440904817), (22, 916939429), (29, 695609222), (58, 347804611), (77, 261982694), (83, 243044186), (154, 130991347), (166, 121522093), (203, 99372746), (319, 63237202), (406, 49686373), (581, 34720598), (638, 31618601), (913, 22094926), (1162, 17360299), (1826, 11047463), (2233, 9033886), (2407, 8380834), (4466, 4516943), (4814, 4190417), (6391, 3156418), (12782, 1578209), (16849, 1197262), (26477, 761894), (33698, 598631), (52954, 380947), (54421, 370678), (108842, 185339)]