20674210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3923}}^1$

素因数の和:3978

約数の個数: 32

約数和(自身を含む): 40684032

約数和(自身を除く): 20009822

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 527, 1054, 2635, 3923, 5270, 7846, 19615, 39230, 66691, 121613, 133382, 243226, 333455, 608065, 666910, 1216130, 2067421, 4134842, 10337105, 20674210]

約数ペア:

[(1, 20674210), (2, 10337105), (5, 4134842), (10, 2067421), (17, 1216130), (31, 666910), (34, 608065), (62, 333455), (85, 243226), (155, 133382), (170, 121613), (310, 66691), (527, 39230), (1054, 19615), (2635, 7846), (3923, 5270)]