20463508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4057}}^1$

素因数の和:4171

約数の個数: 24

約数和(自身を含む): 38973032

約数和(自身を除く): 18509524

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 4057, 5044, 8114, 16228, 52741, 105482, 210964, 393529, 787058, 1574116, 5115877, 10231754, 20463508]

約数ペア:

[(1, 20463508), (2, 10231754), (4, 5115877), (13, 1574116), (26, 787058), (52, 393529), (97, 210964), (194, 105482), (388, 52741), (1261, 16228), (2522, 8114), (4057, 5044)]