20710664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2053}}^1$

素因数の和:2169

約数の個数: 32

約数和(自身を含む): 42271320

約数和(自身を除く): 21560656

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 388, 776, 1261, 2053, 2522, 4106, 5044, 8212, 10088, 16424, 26689, 53378, 106756, 199141, 213512, 398282, 796564, 1593128, 2588833, 5177666, 10355332, 20710664]

約数ペア:

[(1, 20710664), (2, 10355332), (4, 5177666), (8, 2588833), (13, 1593128), (26, 796564), (52, 398282), (97, 213512), (104, 199141), (194, 106756), (388, 53378), (776, 26689), (1261, 16424), (2053, 10088), (2522, 8212), (4106, 5044)]