20573429765

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{691}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 29417152512

約数和(自身を除く): 8843722747

約数列:

[1, 5, 7, 35, 43, 73, 215, 271, 301, 365, 511, 691, 1355, 1505, 1897, 2555, 3139, 3455, 4837, 9485, 11653, 15695, 19783, 21973, 24185, 29713, 50443, 58265, 81571, 98915, 109865, 138481, 148565, 187261, 207991, 252215, 353101, 407855, 692405, 850669, 936305, 1039955, 1310827, 1765505, 2169049, 4253345, 5954683, 6554135, 8052223, 10845245, 13670053, 15183343, 29773415, 40261115, 56365561, 68350265, 75916715, 95690371, 281827805, 478451855, 587812279, 2939061395, 4114685953, 20573429765]

約数ペア:

[(1, 20573429765), (5, 4114685953), (7, 2939061395), (35, 587812279), (43, 478451855), (73, 281827805), (215, 95690371), (271, 75916715), (301, 68350265), (365, 56365561), (511, 40261115), (691, 29773415), (1355, 15183343), (1505, 13670053), (1897, 10845245), (2555, 8052223), (3139, 6554135), (3455, 5954683), (4837, 4253345), (9485, 2169049), (11653, 1765505), (15695, 1310827), (19783, 1039955), (21973, 936305), (24185, 850669), (29713, 692405), (50443, 407855), (58265, 353101), (81571, 252215), (98915, 207991), (109865, 187261), (138481, 148565)]