20177887772

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2394149}}^1$

素因数の和:2394210

約数の個数: 36

約数和(自身を含む): 42031697400

約数和(自身を除く): 21853809628

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 8428, 2394149, 4788298, 9576596, 16759043, 33518086, 67036172, 102948407, 117313301, 205896814, 234626602, 411793628, 469253204, 720638849, 1441277698, 2882555396, 5044471943, 10088943886, 20177887772]

約数ペア:

[(1, 20177887772), (2, 10088943886), (4, 5044471943), (7, 2882555396), (14, 1441277698), (28, 720638849), (43, 469253204), (49, 411793628), (86, 234626602), (98, 205896814), (172, 117313301), (196, 102948407), (301, 67036172), (602, 33518086), (1204, 16759043), (2107, 9576596), (4214, 4788298), (8428, 2394149)]