20668712760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19137697}}^1$

素因数の和:19137717

約数の個数: 64

約数和(自身を含む): 68895712800

約数和(自身を除く): 48227000040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19137697, 38275394, 57413091, 76550788, 95688485, 114826182, 153101576, 172239273, 191376970, 229652364, 287065455, 344478546, 382753940, 459304728, 516717819, 574130910, 688957092, 765507880, 861196365, 1033435638, 1148261820, 1377914184, 1722392730, 2066871276, 2296523640, 2583589095, 3444785460, 4133742552, 5167178190, 6889570920, 10334356380, 20668712760]

約数ペア:

[(1, 20668712760), (2, 10334356380), (3, 6889570920), (4, 5167178190), (5, 4133742552), (6, 3444785460), (8, 2583589095), (9, 2296523640), (10, 2066871276), (12, 1722392730), (15, 1377914184), (18, 1148261820), (20, 1033435638), (24, 861196365), (27, 765507880), (30, 688957092), (36, 574130910), (40, 516717819), (45, 459304728), (54, 382753940), (60, 344478546), (72, 287065455), (90, 229652364), (108, 191376970), (120, 172239273), (135, 153101576), (180, 114826182), (216, 95688485), (270, 76550788), (360, 57413091), (540, 38275394), (1080, 19137697)]