20348534205

素因数分解:

$3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{871271}}^1$

素因数の和:871458

約数の個数: 32

約数和(自身を含む): 36384318720

約数和(自身を除く): 16035784515

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 173, 519, 865, 1557, 2595, 4671, 7785, 23355, 871271, 2613813, 4356355, 7841439, 13069065, 23524317, 39207195, 117621585, 150729883, 452189649, 753649415, 1356568947, 2260948245, 4069706841, 6782844735, 20348534205]

約数ペア:

[(1, 20348534205), (3, 6782844735), (5, 4069706841), (9, 2260948245), (15, 1356568947), (27, 753649415), (45, 452189649), (135, 150729883), (173, 117621585), (519, 39207195), (865, 23524317), (1557, 13069065), (2595, 7841439), (4671, 4356355), (7785, 2613813), (23355, 871271)]