20409221511

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{7039}}^1$

素因数の和:7130

約数の個数: 96

約数和(自身を含む): 37373952000

約数和(自身を除く): 16964730489

約数列:

[1, 3, 7, 9, 21, 23, 27, 29, 63, 69, 87, 161, 189, 203, 207, 261, 483, 529, 609, 621, 667, 783, 1449, 1587, 1827, 2001, 3703, 4347, 4669, 4761, 5481, 6003, 7039, 11109, 14007, 14283, 15341, 18009, 21117, 33327, 42021, 46023, 49273, 63351, 99981, 107387, 126063, 138069, 147819, 161897, 190053, 204131, 322161, 414207, 443457, 485691, 612393, 966483, 1133279, 1330371, 1428917, 1457073, 1837179, 2899449, 3399837, 3723631, 4286751, 4371219, 4695013, 5511537, 10199511, 11170893, 12860253, 14085039, 26065417, 30598533, 32865091, 33512679, 38580759, 42255117, 78196251, 98595273, 100538037, 107985299, 126765351, 234588753, 295785819, 323955897, 703766259, 755897093, 887357457, 971867691, 2267691279, 2915603073, 6803073837, 20409221511]

約数ペア:

[(1, 20409221511), (3, 6803073837), (7, 2915603073), (9, 2267691279), (21, 971867691), (23, 887357457), (27, 755897093), (29, 703766259), (63, 323955897), (69, 295785819), (87, 234588753), (161, 126765351), (189, 107985299), (203, 100538037), (207, 98595273), (261, 78196251), (483, 42255117), (529, 38580759), (609, 33512679), (621, 32865091), (667, 30598533), (783, 26065417), (1449, 14085039), (1587, 12860253), (1827, 11170893), (2001, 10199511), (3703, 5511537), (4347, 4695013), (4669, 4371219), (4761, 4286751), (5481, 3723631), (6003, 3399837), (7039, 2899449), (11109, 1837179), (14007, 1457073), (14283, 1428917), (15341, 1330371), (18009, 1133279), (21117, 966483), (33327, 612393), (42021, 485691), (46023, 443457), (49273, 414207), (63351, 322161), (99981, 204131), (107387, 190053), (126063, 161897), (138069, 147819)]