20091749265

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1555691}}^1$

素因数の和:1555750

約数の個数: 48

約数和(自身を含む): 40771575936

約数和(自身を除く): 20679826671

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 63, 105, 123, 205, 287, 315, 369, 615, 861, 1435, 1845, 2583, 4305, 12915, 1555691, 4667073, 7778455, 10889837, 14001219, 23335365, 32669511, 54449185, 63783331, 70006095, 98008533, 163347555, 191349993, 318916655, 446483317, 490042665, 574049979, 956749965, 1339449951, 2232416585, 2870249895, 4018349853, 6697249755, 20091749265]

約数ペア:

[(1, 20091749265), (3, 6697249755), (5, 4018349853), (7, 2870249895), (9, 2232416585), (15, 1339449951), (21, 956749965), (35, 574049979), (41, 490042665), (45, 446483317), (63, 318916655), (105, 191349993), (123, 163347555), (205, 98008533), (287, 70006095), (315, 63783331), (369, 54449185), (615, 32669511), (861, 23335365), (1435, 14001219), (1845, 10889837), (2583, 7778455), (4305, 4667073), (12915, 1555691)]