20123701845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{252319}}^1$

素因数の和:252749

約数の個数: 32

約数和(自身を含む): 34759603200

約数和(自身を除く): 14635901355

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 409, 1227, 2045, 5317, 6135, 15951, 26585, 79755, 252319, 756957, 1261595, 3280147, 3784785, 9840441, 16400735, 49202205, 103198471, 309595413, 515992355, 1341580123, 1547977065, 4024740369, 6707900615, 20123701845]

約数ペア:

[(1, 20123701845), (3, 6707900615), (5, 4024740369), (13, 1547977065), (15, 1341580123), (39, 515992355), (65, 309595413), (195, 103198471), (409, 49202205), (1227, 16400735), (2045, 9840441), (5317, 3784785), (6135, 3280147), (15951, 1261595), (26585, 756957), (79755, 252319)]