20296484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20543}}^1$

素因数の和:20579

約数の個数: 24

約数和(自身を含む): 40266240

約数和(自身を除く): 19969756

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20543, 41086, 82172, 267059, 390317, 534118, 780634, 1068236, 1561268, 5074121, 10148242, 20296484]

約数ペア:

[(1, 20296484), (2, 10148242), (4, 5074121), (13, 1561268), (19, 1068236), (26, 780634), (38, 534118), (52, 390317), (76, 267059), (247, 82172), (494, 41086), (988, 20543)]