20131438828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{362363}}^1$

素因数の和:362446

約数の個数: 48

約数和(自身を含む): 40178920320

約数和(自身を除く): 20047481492

約数列:

[1, 2, 4, 17, 19, 34, 38, 43, 68, 76, 86, 172, 323, 646, 731, 817, 1292, 1462, 1634, 2924, 3268, 13889, 27778, 55556, 362363, 724726, 1449452, 6160171, 6884897, 12320342, 13769794, 15581609, 24640684, 27539588, 31163218, 62326436, 117043249, 234086498, 264887353, 296050571, 468172996, 529774706, 592101142, 1059549412, 1184202284, 5032859707, 10065719414, 20131438828]

約数ペア:

[(1, 20131438828), (2, 10065719414), (4, 5032859707), (17, 1184202284), (19, 1059549412), (34, 592101142), (38, 529774706), (43, 468172996), (68, 296050571), (76, 264887353), (86, 234086498), (172, 117043249), (323, 62326436), (646, 31163218), (731, 27539588), (817, 24640684), (1292, 15581609), (1462, 13769794), (1634, 12320342), (2924, 6884897), (3268, 6160171), (13889, 1449452), (27778, 724726), (55556, 362363)]