20123090936

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{5113}}^1$

素因数の和:5257

約数の個数: 96

約数和(自身を含む): 42450700320

約数和(自身を除く): 22327609384

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 71, 82, 104, 142, 164, 169, 284, 328, 338, 533, 568, 676, 923, 1066, 1352, 1846, 2132, 2911, 3692, 4264, 5113, 5822, 6929, 7384, 10226, 11644, 11999, 13858, 20452, 23288, 23998, 27716, 37843, 40904, 47996, 55432, 66469, 75686, 95992, 132938, 151372, 209633, 265876, 302744, 363023, 419266, 491959, 531752, 726046, 838532, 864097, 983918, 1452092, 1677064, 1728194, 1967836, 2725229, 2904184, 3456388, 3935672, 4719299, 5450458, 6912776, 9438598, 10900916, 14883943, 18877196, 21801832, 29767886, 35427977, 37754392, 59535772, 61350887, 70855954, 119071544, 122701774, 141711908, 193491259, 245403548, 283423816, 386982518, 490807096, 773965036, 1547930072, 2515386367, 5030772734, 10061545468, 20123090936]

約数ペア:

[(1, 20123090936), (2, 10061545468), (4, 5030772734), (8, 2515386367), (13, 1547930072), (26, 773965036), (41, 490807096), (52, 386982518), (71, 283423816), (82, 245403548), (104, 193491259), (142, 141711908), (164, 122701774), (169, 119071544), (284, 70855954), (328, 61350887), (338, 59535772), (533, 37754392), (568, 35427977), (676, 29767886), (923, 21801832), (1066, 18877196), (1352, 14883943), (1846, 10900916), (2132, 9438598), (2911, 6912776), (3692, 5450458), (4264, 4719299), (5113, 3935672), (5822, 3456388), (6929, 2904184), (7384, 2725229), (10226, 1967836), (11644, 1728194), (11999, 1677064), (13858, 1452092), (20452, 983918), (23288, 864097), (23998, 838532), (27716, 726046), (37843, 531752), (40904, 491959), (47996, 419266), (55432, 363023), (66469, 302744), (75686, 265876), (95992, 209633), (132938, 151372)]