20571810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97961}}^1$

素因数の和:97978

約数の個数: 32

約数和(自身を含む): 56426112

約数和(自身を除く): 35854302

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 97961, 195922, 293883, 489805, 587766, 685727, 979610, 1371454, 1469415, 2057181, 2938830, 3428635, 4114362, 6857270, 10285905, 20571810]

約数ペア:

[(1, 20571810), (2, 10285905), (3, 6857270), (5, 4114362), (6, 3428635), (7, 2938830), (10, 2057181), (14, 1469415), (15, 1371454), (21, 979610), (30, 685727), (35, 587766), (42, 489805), (70, 293883), (105, 195922), (210, 97961)]