18206020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130043}}^1$

素因数の和:130059

約数の個数: 24

約数和(自身を含む): 43694784

約数和(自身を除く): 25488764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130043, 260086, 520172, 650215, 910301, 1300430, 1820602, 2600860, 3641204, 4551505, 9103010, 18206020]

約数ペア:

[(1, 18206020), (2, 9103010), (4, 4551505), (5, 3641204), (7, 2600860), (10, 1820602), (14, 1300430), (20, 910301), (28, 650215), (35, 520172), (70, 260086), (140, 130043)]