20442442

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8819}}^1$

素因数の和:8901

約数の個数: 16

約数和(自身を含む): 32810400

約数和(自身を除く): 12367958

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 8819, 17638, 167561, 335122, 537959, 1075918, 10221221, 20442442]

約数ペア:

[(1, 20442442), (2, 10221221), (19, 1075918), (38, 537959), (61, 335122), (122, 167561), (1159, 17638), (2318, 8819)]