20200747

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{733}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 24051712

約数和(自身を除く): 3850965

約数列:

[1, 7, 31, 127, 217, 733, 889, 3937, 5131, 22723, 27559, 93091, 159061, 651637, 2885821, 20200747]

約数ペア:

[(1, 20200747), (7, 2885821), (31, 651637), (127, 159061), (217, 93091), (733, 27559), (889, 22723), (3937, 5131)]