20175403143

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2377}}^1\times {\mathrm{17573}}^1$

素因数の和:19983

約数の個数: 32

約数和(自身を含む): 32095466496

約数和(自身を除く): 11920063353

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 2377, 7131, 16639, 17573, 49917, 52719, 54671, 123011, 164013, 369033, 382697, 404179, 1148091, 1212537, 2829253, 8487759, 41771021, 125313063, 292397147, 877191441, 960733483, 2882200449, 6725134381, 20175403143]

約数ペア:

[(1, 20175403143), (3, 6725134381), (7, 2882200449), (21, 960733483), (23, 877191441), (69, 292397147), (161, 125313063), (483, 41771021), (2377, 8487759), (7131, 2829253), (16639, 1212537), (17573, 1148091), (49917, 404179), (52719, 382697), (54671, 369033), (123011, 164013)]