20091416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1523}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 40325040

約数和(自身を除く): 20233624

約数列:

[1, 2, 4, 8, 17, 34, 68, 97, 136, 194, 388, 776, 1523, 1649, 3046, 3298, 6092, 6596, 12184, 13192, 25891, 51782, 103564, 147731, 207128, 295462, 590924, 1181848, 2511427, 5022854, 10045708, 20091416]

約数ペア:

[(1, 20091416), (2, 10045708), (4, 5022854), (8, 2511427), (17, 1181848), (34, 590924), (68, 295462), (97, 207128), (136, 147731), (194, 103564), (388, 51782), (776, 25891), (1523, 13192), (1649, 12184), (3046, 6596), (3298, 6092)]