20173482

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 51932160

約数和(自身を除く): 31758678

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 83, 126, 166, 189, 249, 378, 498, 581, 643, 747, 1162, 1286, 1494, 1743, 1929, 2241, 3486, 3858, 4482, 4501, 5229, 5787, 9002, 10458, 11574, 13503, 15687, 17361, 27006, 31374, 34722, 40509, 53369, 81018, 106738, 121527, 160107, 243054, 320214, 373583, 480321, 747166, 960642, 1120749, 1440963, 2241498, 2881926, 3362247, 6724494, 10086741, 20173482]

約数ペア:

[(1, 20173482), (2, 10086741), (3, 6724494), (6, 3362247), (7, 2881926), (9, 2241498), (14, 1440963), (18, 1120749), (21, 960642), (27, 747166), (42, 480321), (54, 373583), (63, 320214), (83, 243054), (126, 160107), (166, 121527), (189, 106738), (249, 81018), (378, 53369), (498, 40509), (581, 34722), (643, 31374), (747, 27006), (1162, 17361), (1286, 15687), (1494, 13503), (1743, 11574), (1929, 10458), (2241, 9002), (3486, 5787), (3858, 5229), (4482, 4501)]