20175573

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 10237227

約数列:

[1, 3, 11, 33, 71, 79, 109, 213, 237, 327, 781, 869, 1199, 2343, 2607, 3597, 5609, 7739, 8611, 16827, 23217, 25833, 61699, 85129, 94721, 185097, 255387, 284163, 611381, 1834143, 6725191, 20175573]

約数ペア:

[(1, 20175573), (3, 6725191), (11, 1834143), (33, 611381), (71, 284163), (79, 255387), (109, 185097), (213, 94721), (237, 85129), (327, 61699), (781, 25833), (869, 23217), (1199, 16827), (2343, 8611), (2607, 7739), (3597, 5609)]