20848290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40879}}^1$

素因数の和:40906

約数の個数: 32

約数和(自身を含む): 52980480

約数和(自身を除く): 32132190

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40879, 81758, 122637, 204395, 245274, 408790, 613185, 694943, 1226370, 1389886, 2084829, 3474715, 4169658, 6949430, 10424145, 20848290]

約数ペア:

[(1, 20848290), (2, 10424145), (3, 6949430), (5, 4169658), (6, 3474715), (10, 2084829), (15, 1389886), (17, 1226370), (30, 694943), (34, 613185), (51, 408790), (85, 245274), (102, 204395), (170, 122637), (255, 81758), (510, 40879)]