20105354934

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{1291}}^1\times {\mathrm{17657}}^1$

素因数の和:18970

約数の個数: 72

約数和(自身を含む): 50715824328

約数和(自身を除く): 30610469394

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 1291, 2582, 3873, 7746, 9037, 11619, 17657, 18074, 23238, 27111, 35314, 52971, 54222, 63259, 81333, 105942, 123599, 126518, 158913, 162666, 189777, 247198, 317826, 370797, 379554, 569331, 741594, 865193, 1112391, 1138662, 1730386, 2224782, 2595579, 5191158, 7786737, 15573474, 22795187, 45590374, 68385561, 136771122, 159566309, 205156683, 319132618, 410313366, 478698927, 957397854, 1116964163, 1436096781, 2233928326, 2872193562, 3350892489, 6701784978, 10052677467, 20105354934]

約数ペア:

[(1, 20105354934), (2, 10052677467), (3, 6701784978), (6, 3350892489), (7, 2872193562), (9, 2233928326), (14, 1436096781), (18, 1116964163), (21, 957397854), (42, 478698927), (49, 410313366), (63, 319132618), (98, 205156683), (126, 159566309), (147, 136771122), (294, 68385561), (441, 45590374), (882, 22795187), (1291, 15573474), (2582, 7786737), (3873, 5191158), (7746, 2595579), (9037, 2224782), (11619, 1730386), (17657, 1138662), (18074, 1112391), (23238, 865193), (27111, 741594), (35314, 569331), (52971, 379554), (54222, 370797), (63259, 317826), (81333, 247198), (105942, 189777), (123599, 162666), (126518, 158913)]