20858136

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66853}}^1$

素因数の和:66875

約数の個数: 32

約数和(自身を含む): 56157360

約数和(自身を除く): 35299224

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66853, 133706, 200559, 267412, 401118, 534824, 802236, 869089, 1604472, 1738178, 2607267, 3476356, 5214534, 6952712, 10429068, 20858136]

約数ペア:

[(1, 20858136), (2, 10429068), (3, 6952712), (4, 5214534), (6, 3476356), (8, 2607267), (12, 1738178), (13, 1604472), (24, 869089), (26, 802236), (39, 534824), (52, 401118), (78, 267412), (104, 200559), (156, 133706), (312, 66853)]