20575271

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 2234329

約数列:

[1, 19, 23, 197, 239, 437, 3743, 4531, 4541, 5497, 47083, 86089, 104443, 894577, 1082909, 20575271]

約数ペア:

[(1, 20575271), (19, 1082909), (23, 894577), (197, 104443), (239, 86089), (437, 47083), (3743, 5497), (4531, 4541)]