20289018

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 41513472

約数和(自身を除く): 21224454

約数列:

[1, 2, 3, 6, 83, 131, 166, 249, 262, 311, 393, 498, 622, 786, 933, 1866, 10873, 21746, 25813, 32619, 40741, 51626, 65238, 77439, 81482, 122223, 154878, 244446, 3381503, 6763006, 10144509, 20289018]

約数ペア:

[(1, 20289018), (2, 10144509), (3, 6763006), (6, 3381503), (83, 244446), (131, 154878), (166, 122223), (249, 81482), (262, 77439), (311, 65238), (393, 51626), (498, 40741), (622, 32619), (786, 25813), (933, 21746), (1866, 10873)]