20633878

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{439}}^1$

素因数の和:843

約数の個数: 16

約数和(自身を含む): 31553280

約数和(自身を除く): 10919402

約数列:

[1, 2, 71, 142, 331, 439, 662, 878, 23501, 31169, 47002, 62338, 145309, 290618, 10316939, 20633878]

約数ペア:

[(1, 20633878), (2, 10316939), (71, 290618), (142, 145309), (331, 62338), (439, 47002), (662, 31169), (878, 23501)]