20199312135

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{919}}^1$

素因数の和:1317

約数の個数: 96

約数和(自身を含む): 36954677760

約数和(自身を除く): 16755365625

約数列:

[1, 3, 5, 9, 15, 37, 43, 45, 111, 129, 185, 215, 307, 333, 387, 555, 645, 919, 921, 1535, 1591, 1665, 1935, 2757, 2763, 4595, 4605, 4773, 7955, 8271, 11359, 13201, 13785, 13815, 14319, 23865, 34003, 34077, 39517, 39603, 41355, 56795, 66005, 71595, 102009, 102231, 118551, 118809, 170015, 170385, 197585, 198015, 282133, 306027, 355653, 488437, 510045, 511155, 592755, 594045, 846399, 1410665, 1462129, 1465311, 1530135, 1778265, 2442185, 2539197, 4231995, 4386387, 4395933, 7310645, 7326555, 10438921, 12131719, 12695985, 13159161, 21931935, 21979665, 31316763, 36395157, 52194605, 60658595, 65795805, 93950289, 109185471, 156583815, 181975785, 448873603, 469751445, 545927355, 1346620809, 2244368015, 4039862427, 6733104045, 20199312135]

約数ペア:

[(1, 20199312135), (3, 6733104045), (5, 4039862427), (9, 2244368015), (15, 1346620809), (37, 545927355), (43, 469751445), (45, 448873603), (111, 181975785), (129, 156583815), (185, 109185471), (215, 93950289), (307, 65795805), (333, 60658595), (387, 52194605), (555, 36395157), (645, 31316763), (919, 21979665), (921, 21931935), (1535, 13159161), (1591, 12695985), (1665, 12131719), (1935, 10438921), (2757, 7326555), (2763, 7310645), (4595, 4395933), (4605, 4386387), (4773, 4231995), (7955, 2539197), (8271, 2442185), (11359, 1778265), (13201, 1530135), (13785, 1465311), (13815, 1462129), (14319, 1410665), (23865, 846399), (34003, 594045), (34077, 592755), (39517, 511155), (39603, 510045), (41355, 488437), (56795, 355653), (66005, 306027), (71595, 282133), (102009, 198015), (102231, 197585), (118551, 170385), (118809, 170015)]