20519496

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12391}}^1$

素因数の和:12426

約数の個数: 48

約数和(自身を含む): 57994560

約数和(自身を除く): 37475064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12391, 24782, 37173, 49564, 74346, 99128, 111519, 148692, 223038, 284993, 297384, 446076, 569986, 854979, 892152, 1139972, 1709958, 2279944, 2564937, 3419916, 5129874, 6839832, 10259748, 20519496]

約数ペア:

[(1, 20519496), (2, 10259748), (3, 6839832), (4, 5129874), (6, 3419916), (8, 2564937), (9, 2279944), (12, 1709958), (18, 1139972), (23, 892152), (24, 854979), (36, 569986), (46, 446076), (69, 297384), (72, 284993), (92, 223038), (138, 148692), (184, 111519), (207, 99128), (276, 74346), (414, 49564), (552, 37173), (828, 24782), (1656, 12391)]