20186901873

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1109}}^1\times {\mathrm{1231}}^1$

素因数の和:2430

約数の個数: 48

約数和(自身を含む): 30719969280

約数和(自身を除く): 10533067407

約数列:

[1, 3, 9, 31, 53, 93, 159, 279, 477, 1109, 1231, 1643, 3327, 3693, 4929, 9981, 11079, 14787, 34379, 38161, 58777, 65243, 103137, 114483, 176331, 195729, 309411, 343449, 528993, 587187, 1365179, 1822087, 2022533, 4095537, 5466261, 6067599, 12286611, 16398783, 18202797, 42320549, 72354487, 126961647, 217063461, 380884941, 651190383, 2242989097, 6728967291, 20186901873]

約数ペア:

[(1, 20186901873), (3, 6728967291), (9, 2242989097), (31, 651190383), (53, 380884941), (93, 217063461), (159, 126961647), (279, 72354487), (477, 42320549), (1109, 18202797), (1231, 16398783), (1643, 12286611), (3327, 6067599), (3693, 5466261), (4929, 4095537), (9981, 2022533), (11079, 1822087), (14787, 1365179), (34379, 587187), (38161, 528993), (58777, 343449), (65243, 309411), (103137, 195729), (114483, 176331)]