20573397

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1741}}^1$

素因数の和:1861

約数の個数: 24

約数和(自身を含む): 32338488

約数和(自身を除く): 11765091

約数列:

[1, 3, 9, 13, 39, 101, 117, 303, 909, 1313, 1741, 3939, 5223, 11817, 15669, 22633, 67899, 175841, 203697, 527523, 1582569, 2285933, 6857799, 20573397]

約数ペア:

[(1, 20573397), (3, 6857799), (9, 2285933), (13, 1582569), (39, 527523), (101, 203697), (117, 175841), (303, 67899), (909, 22633), (1313, 15669), (1741, 11817), (3939, 5223)]