20160787605

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{386333}}^1$

素因数の和:386426

約数の個数: 48

約数和(自身を含む): 38052353664

約数和(自身を除く): 17891566059

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 71, 105, 147, 213, 245, 355, 497, 735, 1065, 1491, 2485, 3479, 7455, 10437, 17395, 52185, 386333, 1158999, 1931665, 2704331, 5794995, 8112993, 13521655, 18930317, 27429643, 40564965, 56790951, 82288929, 94651585, 137148215, 192007501, 283954755, 411444645, 576022503, 960037505, 1344052507, 2880112515, 4032157521, 6720262535, 20160787605]

約数ペア:

[(1, 20160787605), (3, 6720262535), (5, 4032157521), (7, 2880112515), (15, 1344052507), (21, 960037505), (35, 576022503), (49, 411444645), (71, 283954755), (105, 192007501), (147, 137148215), (213, 94651585), (245, 82288929), (355, 56790951), (497, 40564965), (735, 27429643), (1065, 18930317), (1491, 13521655), (2485, 8112993), (3479, 5794995), (7455, 2704331), (10437, 1931665), (17395, 1158999), (52185, 386333)]