20890896

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33479}}^1$

素因数の和:33503

約数の個数: 40

約数和(自身を含む): 58121280

約数和(自身を除く): 37230384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33479, 66958, 100437, 133916, 200874, 267832, 401748, 435227, 535664, 803496, 870454, 1305681, 1606992, 1740908, 2611362, 3481816, 5222724, 6963632, 10445448, 20890896]

約数ペア:

[(1, 20890896), (2, 10445448), (3, 6963632), (4, 5222724), (6, 3481816), (8, 2611362), (12, 1740908), (13, 1606992), (16, 1305681), (24, 870454), (26, 803496), (39, 535664), (48, 435227), (52, 401748), (78, 267832), (104, 200874), (156, 133916), (208, 100437), (312, 66958), (624, 33479)]