20210912260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13123969}}^1$

素因数の和:13123996

約数の個数: 48

約数和(自身を含む): 52915847040

約数和(自身を除く): 32704934780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 13123969, 26247938, 52495876, 65619845, 91867783, 131239690, 144363659, 183735566, 262479380, 288727318, 367471132, 459338915, 577454636, 721818295, 918677830, 1010545613, 1443636590, 1837355660, 2021091226, 2887273180, 4042182452, 5052728065, 10105456130, 20210912260]

約数ペア:

[(1, 20210912260), (2, 10105456130), (4, 5052728065), (5, 4042182452), (7, 2887273180), (10, 2021091226), (11, 1837355660), (14, 1443636590), (20, 1010545613), (22, 918677830), (28, 721818295), (35, 577454636), (44, 459338915), (55, 367471132), (70, 288727318), (77, 262479380), (110, 183735566), (140, 144363659), (154, 131239690), (220, 91867783), (308, 65619845), (385, 52495876), (770, 26247938), (1540, 13123969)]