20040490617

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{208501}}^1$

素因数の和:208733

約数の個数: 32

約数和(自身を含む): 32025907200

約数和(自身を除く): 11985416583

約数列:

[1, 3, 7, 21, 23, 69, 161, 199, 483, 597, 1393, 4179, 4577, 13731, 32039, 96117, 208501, 625503, 1459507, 4378521, 4795523, 14386569, 33568661, 41491699, 100705983, 124475097, 290441893, 871325679, 954309077, 2862927231, 6680163539, 20040490617]

約数ペア:

[(1, 20040490617), (3, 6680163539), (7, 2862927231), (21, 954309077), (23, 871325679), (69, 290441893), (161, 124475097), (199, 100705983), (483, 41491699), (597, 33568661), (1393, 14386569), (4179, 4795523), (4577, 4378521), (13731, 1459507), (32039, 625503), (96117, 208501)]