20147365

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{599}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 28598400

約数和(自身を除く): 8451035

約数列:

[1, 5, 7, 31, 35, 155, 217, 599, 961, 1085, 2995, 4193, 4805, 6727, 18569, 20965, 33635, 92845, 129983, 575639, 649915, 2878195, 4029473, 20147365]

約数ペア:

[(1, 20147365), (5, 4029473), (7, 2878195), (31, 649915), (35, 575639), (155, 129983), (217, 92845), (599, 33635), (961, 20965), (1085, 18569), (2995, 6727), (4193, 4805)]