20331753

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 30707712

約数和(自身を除く): 10375959

約数列:

[1, 3, 13, 31, 39, 67, 93, 201, 251, 403, 753, 871, 1209, 2077, 2613, 3263, 6231, 7781, 9789, 16817, 23343, 27001, 50451, 81003, 101153, 218621, 303459, 521327, 655863, 1563981, 6777251, 20331753]

約数ペア:

[(1, 20331753), (3, 6777251), (13, 1563981), (31, 655863), (39, 521327), (67, 303459), (93, 218621), (201, 101153), (251, 81003), (403, 50451), (753, 27001), (871, 23343), (1209, 16817), (2077, 9789), (2613, 7781), (3263, 6231)]