20164235

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{487}}^1$

素因数の和:532

約数の個数: 36

約数和(自身を含む): 30541968

約数和(自身を除く): 10377733

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 169, 245, 455, 487, 637, 845, 1183, 2435, 3185, 3409, 5915, 6331, 8281, 17045, 23863, 31655, 41405, 44317, 82303, 119315, 221585, 310219, 411515, 576121, 1551095, 2880605, 4032847, 20164235]

約数ペア:

[(1, 20164235), (5, 4032847), (7, 2880605), (13, 1551095), (35, 576121), (49, 411515), (65, 310219), (91, 221585), (169, 119315), (245, 82303), (455, 44317), (487, 41405), (637, 31655), (845, 23863), (1183, 17045), (2435, 8281), (3185, 6331), (3409, 5915)]