20573860918

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{223}}^1\times {\mathrm{2551}}^1$

素因数の和:2909

約数の個数: 48

約数和(自身を含む): 33894153216

約数和(自身を除く): 13320292298

約数列:

[1, 2, 13, 26, 107, 169, 214, 223, 338, 446, 1391, 2551, 2782, 2899, 5102, 5798, 18083, 23861, 33163, 36166, 37687, 47722, 66326, 75374, 272957, 310193, 431119, 545914, 568873, 620386, 862238, 1137746, 3548441, 4032509, 7096882, 7395349, 8065018, 14790698, 46129733, 60869411, 92259466, 96139537, 121738822, 192279074, 791302343, 1582604686, 10286930459, 20573860918]

約数ペア:

[(1, 20573860918), (2, 10286930459), (13, 1582604686), (26, 791302343), (107, 192279074), (169, 121738822), (214, 96139537), (223, 92259466), (338, 60869411), (446, 46129733), (1391, 14790698), (2551, 8065018), (2782, 7395349), (2899, 7096882), (5102, 4032509), (5798, 3548441), (18083, 1137746), (23861, 862238), (33163, 620386), (36166, 568873), (37687, 545914), (47722, 431119), (66326, 310193), (75374, 272957)]