20298530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1847}}^1$

素因数の和:2018

約数の個数: 32

約数和(自身を含む): 42045696

約数和(自身を除く): 21747166

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 1847, 2198, 3694, 5495, 9235, 10990, 12929, 18470, 25858, 64645, 129290, 289979, 579958, 1449895, 2029853, 2899790, 4059706, 10149265, 20298530]

約数ペア:

[(1, 20298530), (2, 10149265), (5, 4059706), (7, 2899790), (10, 2029853), (14, 1449895), (35, 579958), (70, 289979), (157, 129290), (314, 64645), (785, 25858), (1099, 18470), (1570, 12929), (1847, 10990), (2198, 9235), (3694, 5495)]