20148506

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1277}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 36806400

約数和(自身を除く): 16657894

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 343, 686, 1127, 1277, 2254, 2554, 7889, 8939, 15778, 17878, 29371, 58742, 62573, 125146, 205597, 411194, 438011, 876022, 1439179, 2878358, 10074253, 20148506]

約数ペア:

[(1, 20148506), (2, 10074253), (7, 2878358), (14, 1439179), (23, 876022), (46, 438011), (49, 411194), (98, 205597), (161, 125146), (322, 62573), (343, 58742), (686, 29371), (1127, 17878), (1277, 15778), (2254, 8939), (2554, 7889)]