20745752

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 40378800

約数和(自身を除く): 19633048

約数列:

[1, 2, 4, 8, 37, 74, 109, 148, 218, 296, 436, 643, 872, 1286, 2572, 4033, 5144, 8066, 16132, 23791, 32264, 47582, 70087, 95164, 140174, 190328, 280348, 560696, 2593219, 5186438, 10372876, 20745752]

約数ペア:

[(1, 20745752), (2, 10372876), (4, 5186438), (8, 2593219), (37, 560696), (74, 280348), (109, 190328), (148, 140174), (218, 95164), (296, 70087), (436, 47582), (643, 32264), (872, 23791), (1286, 16132), (2572, 8066), (4033, 5144)]