20388130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6197}}^1$

素因数の和:6258

約数の個数: 32

約数和(自身を含む): 42840576

約数和(自身を除く): 22452446

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 6197, 12394, 30985, 43379, 61970, 86758, 216895, 291259, 433790, 582518, 1456295, 2038813, 2912590, 4077626, 10194065, 20388130]

約数ペア:

[(1, 20388130), (2, 10194065), (5, 4077626), (7, 2912590), (10, 2038813), (14, 1456295), (35, 582518), (47, 433790), (70, 291259), (94, 216895), (235, 86758), (329, 61970), (470, 43379), (658, 30985), (1645, 12394), (3290, 6197)]