20317810

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 38044080

約数和(自身を除く): 17726270

約数列:

[1, 2, 5, 10, 37, 74, 89, 178, 185, 370, 445, 617, 890, 1234, 3085, 3293, 6170, 6586, 16465, 22829, 32930, 45658, 54913, 109826, 114145, 228290, 274565, 549130, 2031781, 4063562, 10158905, 20317810]

約数ペア:

[(1, 20317810), (2, 10158905), (5, 4063562), (10, 2031781), (37, 549130), (74, 274565), (89, 228290), (178, 114145), (185, 109826), (370, 54913), (445, 45658), (617, 32930), (890, 22829), (1234, 16465), (3085, 6586), (3293, 6170)]