20489048

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 39614400

約数和(自身を除く): 19125352

約数列:

[1, 2, 4, 8, 59, 83, 118, 166, 236, 332, 472, 523, 664, 1046, 2092, 4184, 4897, 9794, 19588, 30857, 39176, 43409, 61714, 86818, 123428, 173636, 246856, 347272, 2561131, 5122262, 10244524, 20489048]

約数ペア:

[(1, 20489048), (2, 10244524), (4, 5122262), (8, 2561131), (59, 347272), (83, 246856), (118, 173636), (166, 123428), (236, 86818), (332, 61714), (472, 43409), (523, 39176), (664, 30857), (1046, 19588), (2092, 9794), (4184, 4897)]