20264296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{719}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 20862104

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 271, 542, 719, 1084, 1438, 2168, 2876, 3523, 5752, 7046, 9347, 14092, 18694, 28184, 37388, 74776, 194849, 389698, 779396, 1558792, 2533037, 5066074, 10132148, 20264296]

約数ペア:

[(1, 20264296), (2, 10132148), (4, 5066074), (8, 2533037), (13, 1558792), (26, 779396), (52, 389698), (104, 194849), (271, 74776), (542, 37388), (719, 28184), (1084, 18694), (1438, 14092), (2168, 9347), (2876, 7046), (3523, 5752)]