20149929989

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{5189}}^1$

素因数の和:5362

約数の個数: 48

約数和(自身を含む): 25512379200

約数和(自身を除く): 5362449211

約数列:

[1, 7, 19, 43, 49, 97, 133, 301, 679, 817, 931, 1843, 2107, 4171, 4753, 5189, 5719, 12901, 29197, 36323, 40033, 79249, 90307, 98591, 204379, 223127, 254261, 503333, 554743, 690137, 1561889, 3523331, 3883201, 4239413, 4830959, 9563327, 10933223, 21643319, 24663317, 29675891, 66943289, 151503233, 207731237, 411223061, 468603023, 1060522631, 2878561427, 20149929989]

約数ペア:

[(1, 20149929989), (7, 2878561427), (19, 1060522631), (43, 468603023), (49, 411223061), (97, 207731237), (133, 151503233), (301, 66943289), (679, 29675891), (817, 24663317), (931, 21643319), (1843, 10933223), (2107, 9563327), (4171, 4830959), (4753, 4239413), (5189, 3883201), (5719, 3523331), (12901, 1561889), (29197, 690137), (36323, 554743), (40033, 503333), (79249, 254261), (90307, 223127), (98591, 204379)]