20120499

素因数分解:

$3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{613}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 33332832

約数和(自身を除く): 13212333

約数列:

[1, 3, 7, 9, 21, 63, 521, 613, 1563, 1839, 3647, 4291, 4689, 5517, 10941, 12873, 32823, 38619, 319373, 958119, 2235611, 2874357, 6706833, 20120499]

約数ペア:

[(1, 20120499), (3, 6706833), (7, 2874357), (9, 2235611), (21, 958119), (63, 319373), (521, 38619), (613, 32823), (1563, 12873), (1839, 10941), (3647, 5517), (4291, 4689)]