20256546

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1297}}^1$

素因数の和:1458

約数の個数: 32

約数和(自身を含む): 42989760

約数和(自身を除く): 22733214

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 137, 274, 411, 822, 1297, 2594, 2603, 3891, 5206, 7782, 7809, 15618, 24643, 49286, 73929, 147858, 177689, 355378, 533067, 1066134, 3376091, 6752182, 10128273, 20256546]

約数ペア:

[(1, 20256546), (2, 10128273), (3, 6752182), (6, 3376091), (19, 1066134), (38, 533067), (57, 355378), (114, 177689), (137, 147858), (274, 73929), (411, 49286), (822, 24643), (1297, 15618), (2594, 7809), (2603, 7782), (3891, 5206)]