20121855452

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{787}}^1\times {\mathrm{375997}}^1$

素因数の和:376805

約数の個数: 24

約数和(自身を含む): 37332089424

約数和(自身を除く): 17210233972

約数列:

[1, 2, 4, 17, 34, 68, 787, 1574, 3148, 13379, 26758, 53516, 375997, 751994, 1503988, 6391949, 12783898, 25567796, 295909639, 591819278, 1183638556, 5030463863, 10060927726, 20121855452]

約数ペア:

[(1, 20121855452), (2, 10060927726), (4, 5030463863), (17, 1183638556), (34, 591819278), (68, 295909639), (787, 25567796), (1574, 12783898), (3148, 6391949), (13379, 1503988), (26758, 751994), (53516, 375997)]