20191876635

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{491}}^1\times {\mathrm{7993}}^1$

素因数の和:8513

約数の個数: 64

約数和(自身を含む): 37757260800

約数和(自身を除く): 17565384165

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 491, 735, 1029, 1473, 1715, 2455, 3437, 5145, 7365, 7993, 10311, 17185, 23979, 24059, 39965, 51555, 55951, 72177, 119895, 120295, 167853, 168413, 279755, 360885, 391657, 505239, 839265, 842065, 1174971, 1958285, 2526195, 2741599, 3924563, 5874855, 8224797, 11773689, 13707995, 19622815, 27471941, 41123985, 58868445, 82415823, 137359705, 192303587, 412079115, 576910761, 961517935, 1346125109, 2884553805, 4038375327, 6730625545, 20191876635]

約数ペア:

[(1, 20191876635), (3, 6730625545), (5, 4038375327), (7, 2884553805), (15, 1346125109), (21, 961517935), (35, 576910761), (49, 412079115), (105, 192303587), (147, 137359705), (245, 82415823), (343, 58868445), (491, 41123985), (735, 27471941), (1029, 19622815), (1473, 13707995), (1715, 11773689), (2455, 8224797), (3437, 5874855), (5145, 3924563), (7365, 2741599), (7993, 2526195), (10311, 1958285), (17185, 1174971), (23979, 842065), (24059, 839265), (39965, 505239), (51555, 391657), (55951, 360885), (72177, 279755), (119895, 168413), (120295, 167853)]