20091749264

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{570529}}^1$

素因数の和:570639

約数の個数: 40

約数和(自身を含む): 40749534720

約数和(自身を除く): 20657785456

約数列:

[1, 2, 4, 8, 16, 31, 62, 71, 124, 142, 248, 284, 496, 568, 1136, 2201, 4402, 8804, 17608, 35216, 570529, 1141058, 2282116, 4564232, 9128464, 17686399, 35372798, 40507559, 70745596, 81015118, 141491192, 162030236, 282982384, 324060472, 648120944, 1255734329, 2511468658, 5022937316, 10045874632, 20091749264]

約数ペア:

[(1, 20091749264), (2, 10045874632), (4, 5022937316), (8, 2511468658), (16, 1255734329), (31, 648120944), (62, 324060472), (71, 282982384), (124, 162030236), (142, 141491192), (248, 81015118), (284, 70745596), (496, 40507559), (568, 35372798), (1136, 17686399), (2201, 9128464), (4402, 4564232), (8804, 2282116), (17608, 1141058), (35216, 570529)]