20533271

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 23141376

約数和(自身を除く): 2608105

約数列:

[1, 11, 61, 71, 431, 671, 781, 4331, 4741, 26291, 30601, 47641, 289201, 336611, 1866661, 20533271]

約数ペア:

[(1, 20533271), (11, 1866661), (61, 336611), (71, 289201), (431, 47641), (671, 30601), (781, 26291), (4331, 4741)]