20806956

素因数分解:

$2^2\times 3^4\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:596

約数の個数: 60

約数和(自身を含む): 54885600

約数和(自身を除く): 34078644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 149, 162, 298, 324, 431, 447, 596, 862, 894, 1293, 1341, 1724, 1788, 2586, 2682, 3879, 4023, 5172, 5364, 7758, 8046, 11637, 12069, 15516, 16092, 23274, 24138, 34911, 46548, 48276, 64219, 69822, 128438, 139644, 192657, 256876, 385314, 577971, 770628, 1155942, 1733913, 2311884, 3467826, 5201739, 6935652, 10403478, 20806956]

約数ペア:

[(1, 20806956), (2, 10403478), (3, 6935652), (4, 5201739), (6, 3467826), (9, 2311884), (12, 1733913), (18, 1155942), (27, 770628), (36, 577971), (54, 385314), (81, 256876), (108, 192657), (149, 139644), (162, 128438), (298, 69822), (324, 64219), (431, 48276), (447, 46548), (596, 34911), (862, 24138), (894, 23274), (1293, 16092), (1341, 15516), (1724, 12069), (1788, 11637), (2586, 8046), (2682, 7758), (3879, 5364), (4023, 5172)]