20121325972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{30187}}^1\times {\mathrm{15149}}^1$

素因数の和:45351

約数の個数: 24

約数和(自身を含む): 38417248800

約数和(自身を除く): 18295922828

約数列:

[1, 2, 4, 11, 22, 44, 15149, 30187, 30298, 60374, 60596, 120748, 166639, 332057, 333278, 664114, 666556, 1328228, 457302863, 914605726, 1829211452, 5030331493, 10060662986, 20121325972]

約数ペア:

[(1, 20121325972), (2, 10060662986), (4, 5030331493), (11, 1829211452), (22, 914605726), (44, 457302863), (15149, 1328228), (30187, 666556), (30298, 664114), (60374, 333278), (60596, 332057), (120748, 166639)]