20915671395

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{502841}}^1$

素因数の和:502955

約数の個数: 32

約数和(自身を含む): 34756439040

約数和(自身を除く): 13840767645

約数列:

[1, 3, 5, 15, 47, 59, 141, 177, 235, 295, 705, 885, 2773, 8319, 13865, 41595, 502841, 1508523, 2514205, 7542615, 23633527, 29667619, 70900581, 89002857, 118167635, 148338095, 354502905, 445014285, 1394378093, 4183134279, 6971890465, 20915671395]

約数ペア:

[(1, 20915671395), (3, 6971890465), (5, 4183134279), (15, 1394378093), (47, 445014285), (59, 354502905), (141, 148338095), (177, 118167635), (235, 89002857), (295, 70900581), (705, 29667619), (885, 23633527), (2773, 7542615), (8319, 2514205), (13865, 1508523), (41595, 502841)]