20678004

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3359}}^1$

素因数の和:3394

約数の個数: 60

約数和(自身を含む): 56918400

約数和(自身を除く): 36240396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3359, 6156, 6718, 10077, 13436, 20154, 30231, 40308, 60462, 63821, 90693, 120924, 127642, 181386, 191463, 255284, 272079, 362772, 382926, 544158, 574389, 765852, 1088316, 1148778, 1723167, 2297556, 3446334, 5169501, 6892668, 10339002, 20678004]

約数ペア:

[(1, 20678004), (2, 10339002), (3, 6892668), (4, 5169501), (6, 3446334), (9, 2297556), (12, 1723167), (18, 1148778), (19, 1088316), (27, 765852), (36, 574389), (38, 544158), (54, 382926), (57, 362772), (76, 272079), (81, 255284), (108, 191463), (114, 181386), (162, 127642), (171, 120924), (228, 90693), (324, 63821), (342, 60462), (513, 40308), (684, 30231), (1026, 20154), (1539, 13436), (2052, 10077), (3078, 6718), (3359, 6156)]