20937410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{953}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 40869360

約数和(自身を除く): 19931950

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 953, 1690, 1906, 2197, 4394, 4765, 9530, 10985, 12389, 21970, 24778, 61945, 123890, 161057, 322114, 805285, 1610570, 2093741, 4187482, 10468705, 20937410]

約数ペア:

[(1, 20937410), (2, 10468705), (5, 4187482), (10, 2093741), (13, 1610570), (26, 805285), (65, 322114), (130, 161057), (169, 123890), (338, 61945), (845, 24778), (953, 21970), (1690, 12389), (1906, 10985), (2197, 9530), (4394, 4765)]