20808528

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33347}}^1$

素因数の和:33371

約数の個数: 40

約数和(自身を含む): 57892128

約数和(自身を除く): 37083600

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33347, 66694, 100041, 133388, 200082, 266776, 400164, 433511, 533552, 800328, 867022, 1300533, 1600656, 1734044, 2601066, 3468088, 5202132, 6936176, 10404264, 20808528]

約数ペア:

[(1, 20808528), (2, 10404264), (3, 6936176), (4, 5202132), (6, 3468088), (8, 2601066), (12, 1734044), (13, 1600656), (16, 1300533), (24, 867022), (26, 800328), (39, 533552), (48, 433511), (52, 400164), (78, 266776), (104, 200082), (156, 133388), (208, 100041), (312, 66694), (624, 33347)]