20207878

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1409}}^1$

素因数の和:1583

約数の個数: 16

約数和(自身を含む): 31065120

約数和(自身を除く): 10857242

約数列:

[1, 2, 71, 101, 142, 202, 1409, 2818, 7171, 14342, 100039, 142309, 200078, 284618, 10103939, 20207878]

約数ペア:

[(1, 20207878), (2, 10103939), (71, 284618), (101, 200078), (142, 142309), (202, 100039), (1409, 14342), (2818, 7171)]