20572856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6577}}^1$

素因数の和:6623

約数の個数: 32

約数和(自身を含む): 42625440

約数和(自身を除く): 22052584

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 6577, 13154, 26308, 52616, 111809, 151271, 223618, 302542, 447236, 605084, 894472, 1210168, 2571607, 5143214, 10286428, 20572856]

約数ペア:

[(1, 20572856), (2, 10286428), (4, 5143214), (8, 2571607), (17, 1210168), (23, 894472), (34, 605084), (46, 447236), (68, 302542), (92, 223618), (136, 151271), (184, 111809), (391, 52616), (782, 26308), (1564, 13154), (3128, 6577)]