20920477365

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1421711}}^1$

素因数の和:1421834

約数の個数: 32

約数和(自身を含む): 37533196800

約数和(自身を除く): 16612719435

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 327, 545, 981, 1635, 2943, 4905, 14715, 1421711, 4265133, 7108555, 12795399, 21325665, 38386197, 63976995, 154966499, 191930985, 464899497, 774832495, 1394698491, 2324497485, 4184095473, 6973492455, 20920477365]

約数ペア:

[(1, 20920477365), (3, 6973492455), (5, 4184095473), (9, 2324497485), (15, 1394698491), (27, 774832495), (45, 464899497), (109, 191930985), (135, 154966499), (327, 63976995), (545, 38386197), (981, 21325665), (1635, 12795399), (2943, 7108555), (4905, 4265133), (14715, 1421711)]