20213641539

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{2207}}^1$

素因数の和:2497

約数の個数: 96

約数和(自身を含む): 36803579904

約数和(自身を除く): 16589938365

約数列:

[1, 3, 7, 9, 13, 21, 39, 53, 63, 91, 117, 159, 211, 273, 371, 477, 633, 689, 819, 1113, 1477, 1899, 2067, 2207, 2743, 3339, 4431, 4823, 6201, 6621, 8229, 11183, 13293, 14469, 15449, 19201, 19863, 24687, 28691, 33549, 43407, 46347, 57603, 78281, 86073, 100647, 116971, 139041, 145379, 172809, 200837, 234843, 258219, 350913, 436137, 465677, 602511, 704529, 818797, 1017653, 1052739, 1308411, 1397031, 1520623, 1807533, 2456391, 3052959, 3259739, 4191093, 4561869, 6053801, 7369173, 9158877, 9779217, 10644361, 13685607, 18161403, 24680881, 29337651, 31933083, 42376607, 54484209, 74042643, 95799249, 127129821, 172766167, 222127929, 320851453, 381389463, 518298501, 962554359, 1554895503, 2245960171, 2887663077, 6737880513, 20213641539]

約数ペア:

[(1, 20213641539), (3, 6737880513), (7, 2887663077), (9, 2245960171), (13, 1554895503), (21, 962554359), (39, 518298501), (53, 381389463), (63, 320851453), (91, 222127929), (117, 172766167), (159, 127129821), (211, 95799249), (273, 74042643), (371, 54484209), (477, 42376607), (633, 31933083), (689, 29337651), (819, 24680881), (1113, 18161403), (1477, 13685607), (1899, 10644361), (2067, 9779217), (2207, 9158877), (2743, 7369173), (3339, 6053801), (4431, 4561869), (4823, 4191093), (6201, 3259739), (6621, 3052959), (8229, 2456391), (11183, 1807533), (13293, 1520623), (14469, 1397031), (15449, 1308411), (19201, 1052739), (19863, 1017653), (24687, 818797), (28691, 704529), (33549, 602511), (43407, 465677), (46347, 436137), (57603, 350913), (78281, 258219), (86073, 234843), (100647, 200837), (116971, 172809), (139041, 145379)]