20127405970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3938827}}^1$

素因数の和:3938914

約数の個数: 32

約数和(自身を含む): 41972151168

約数和(自身を除く): 21844745198

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 5110, 3938827, 7877654, 19694135, 27571789, 39388270, 55143578, 137858945, 275717890, 287534371, 575068742, 1437671855, 2012740597, 2875343710, 4025481194, 10063702985, 20127405970]

約数ペア:

[(1, 20127405970), (2, 10063702985), (5, 4025481194), (7, 2875343710), (10, 2012740597), (14, 1437671855), (35, 575068742), (70, 287534371), (73, 275717890), (146, 137858945), (365, 55143578), (511, 39388270), (730, 27571789), (1022, 19694135), (2555, 7877654), (5110, 3938827)]