20029443

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 32051712

約数和(自身を除く): 12022269

約数列:

[1, 3, 7, 21, 41, 43, 123, 129, 287, 301, 541, 861, 903, 1623, 1763, 3787, 5289, 11361, 12341, 22181, 23263, 37023, 66543, 69789, 155267, 162841, 465801, 488523, 953783, 2861349, 6676481, 20029443]

約数ペア:

[(1, 20029443), (3, 6676481), (7, 2861349), (21, 953783), (41, 488523), (43, 465801), (123, 162841), (129, 155267), (287, 69789), (301, 66543), (541, 37023), (861, 23263), (903, 22181), (1623, 12341), (1763, 11361), (3787, 5289)]