20160741968

素因数分解:

$2^4\times {\mathrm{1637}}^1\times {\mathrm{769729}}^1$

素因数の和:771374

約数の個数: 20

約数和(自身を含む): 39085349940

約数和(自身を除く): 18924607972

約数列:

[1, 2, 4, 8, 16, 1637, 3274, 6548, 13096, 26192, 769729, 1539458, 3078916, 6157832, 12315664, 1260046373, 2520092746, 5040185492, 10080370984, 20160741968]

約数ペア:

[(1, 20160741968), (2, 10080370984), (4, 5040185492), (8, 2520092746), (16, 1260046373), (1637, 12315664), (3274, 6157832), (6548, 3078916), (13096, 1539458), (26192, 769729)]