20357662

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 34151040

約数和(自身を除く): 13793378

約数列:

[1, 2, 13, 26, 43, 86, 131, 139, 262, 278, 559, 1118, 1703, 1807, 3406, 3614, 5633, 5977, 11266, 11954, 18209, 36418, 73229, 77701, 146458, 155402, 236717, 473434, 782987, 1565974, 10178831, 20357662]

約数ペア:

[(1, 20357662), (2, 10178831), (13, 1565974), (26, 782987), (43, 473434), (86, 236717), (131, 155402), (139, 146458), (262, 77701), (278, 73229), (559, 36418), (1118, 18209), (1703, 11954), (1807, 11266), (3406, 5977), (3614, 5633)]