920702980

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{139079}}^1$

素因数の和:139419

約数の個数: 24

約数和(自身を含む): 1939331520

約数和(自身を除く): 1018628540

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 139079, 278158, 556316, 695395, 1390790, 2781580, 46035149, 92070298, 184140596, 230175745, 460351490, 920702980]

約数ペア:

[(1, 920702980), (2, 460351490), (4, 230175745), (5, 184140596), (10, 92070298), (20, 46035149), (331, 2781580), (662, 1390790), (1324, 695395), (1655, 556316), (3310, 278158), (6620, 139079)]