20173345276

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{593}}^1\times {\mathrm{4691}}^1$

素因数の和:5339

約数の個数: 72

約数和(自身を含む): 42257221776

約数和(自身を除く): 22083876500

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 593, 1036, 1186, 1813, 2372, 3626, 4151, 4691, 7252, 8302, 9382, 16604, 18764, 21941, 29057, 32837, 43882, 58114, 65674, 87764, 116228, 131348, 153587, 173567, 229859, 307174, 347134, 459718, 614348, 694268, 919436, 1075109, 1214969, 2150218, 2429938, 2781763, 4300436, 4859876, 5563526, 8504783, 11127052, 17009566, 19472341, 34019132, 38944682, 77889364, 102925231, 136306387, 205850462, 272612774, 411700924, 545225548, 720476617, 1440953234, 2881906468, 5043336319, 10086672638, 20173345276]

約数ペア:

[(1, 20173345276), (2, 10086672638), (4, 5043336319), (7, 2881906468), (14, 1440953234), (28, 720476617), (37, 545225548), (49, 411700924), (74, 272612774), (98, 205850462), (148, 136306387), (196, 102925231), (259, 77889364), (518, 38944682), (593, 34019132), (1036, 19472341), (1186, 17009566), (1813, 11127052), (2372, 8504783), (3626, 5563526), (4151, 4859876), (4691, 4300436), (7252, 2781763), (8302, 2429938), (9382, 2150218), (16604, 1214969), (18764, 1075109), (21941, 919436), (29057, 694268), (32837, 614348), (43882, 459718), (58114, 347134), (65674, 307174), (87764, 229859), (116228, 173567), (131348, 153587)]