20859436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 41658624

約数和(自身を除く): 20799188

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 107, 163, 214, 299, 326, 428, 598, 652, 1196, 1391, 2119, 2461, 2782, 3749, 4238, 4922, 5564, 7498, 8476, 9844, 14996, 17441, 31993, 34882, 48737, 63986, 69764, 97474, 127972, 194948, 226733, 401143, 453466, 802286, 906932, 1604572, 5214859, 10429718, 20859436]

約数ペア:

[(1, 20859436), (2, 10429718), (4, 5214859), (13, 1604572), (23, 906932), (26, 802286), (46, 453466), (52, 401143), (92, 226733), (107, 194948), (163, 127972), (214, 97474), (299, 69764), (326, 63986), (428, 48737), (598, 34882), (652, 31993), (1196, 17441), (1391, 14996), (2119, 9844), (2461, 8476), (2782, 7498), (3749, 5564), (4238, 4922)]