20122317

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 31872000

約数和(自身を除く): 11749683

約数列:

[1, 3, 9, 27, 29, 31, 87, 93, 261, 279, 783, 829, 837, 899, 2487, 2697, 7461, 8091, 22383, 24041, 24273, 25699, 72123, 77097, 216369, 231291, 649107, 693873, 745271, 2235813, 6707439, 20122317]

約数ペア:

[(1, 20122317), (3, 6707439), (9, 2235813), (27, 745271), (29, 693873), (31, 649107), (87, 231291), (93, 216369), (261, 77097), (279, 72123), (783, 25699), (829, 24273), (837, 24041), (899, 22383), (2487, 8091), (2697, 7461)]