20663115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{125231}}^1$

素因数の和:125250

約数の個数: 16

約数和(自身を含む): 36066816

約数和(自身を除く): 15403701

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 125231, 375693, 626155, 1377541, 1878465, 4132623, 6887705, 20663115]

約数ペア:

[(1, 20663115), (3, 6887705), (5, 4132623), (11, 1878465), (15, 1377541), (33, 626155), (55, 375693), (165, 125231)]