20465868

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 49319424

約数和(自身を除く): 28853556

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 131, 141, 188, 262, 277, 282, 393, 524, 554, 564, 786, 831, 1108, 1572, 1662, 3324, 6157, 12314, 13019, 18471, 24628, 26038, 36287, 36942, 39057, 52076, 72574, 73884, 78114, 108861, 145148, 156228, 217722, 435444, 1705489, 3410978, 5116467, 6821956, 10232934, 20465868]

約数ペア:

[(1, 20465868), (2, 10232934), (3, 6821956), (4, 5116467), (6, 3410978), (12, 1705489), (47, 435444), (94, 217722), (131, 156228), (141, 145148), (188, 108861), (262, 78114), (277, 73884), (282, 72574), (393, 52076), (524, 39057), (554, 36942), (564, 36287), (786, 26038), (831, 24628), (1108, 18471), (1572, 13019), (1662, 12314), (3324, 6157)]