20606068

素因数分解:

$2^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:701

約数の個数: 48

約数和(自身を含む): 43948800

約数和(自身を除く): 23342732

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 343, 644, 653, 686, 1127, 1306, 1372, 2254, 2612, 4508, 4571, 7889, 9142, 15019, 15778, 18284, 30038, 31556, 31997, 60076, 63994, 105133, 127988, 210266, 223979, 420532, 447958, 735931, 895916, 1471862, 2943724, 5151517, 10303034, 20606068]

約数ペア:

[(1, 20606068), (2, 10303034), (4, 5151517), (7, 2943724), (14, 1471862), (23, 895916), (28, 735931), (46, 447958), (49, 420532), (92, 223979), (98, 210266), (161, 127988), (196, 105133), (322, 63994), (343, 60076), (644, 31997), (653, 31556), (686, 30038), (1127, 18284), (1306, 15778), (1372, 15019), (2254, 9142), (2612, 7889), (4508, 4571)]