20002428

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3539}}^1$

素因数の和:3706

約数の個数: 36

約数和(自身を含む): 50898120

約数和(自身を除く): 30895692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3539, 5652, 7078, 10617, 14156, 21234, 31851, 42468, 63702, 127404, 555623, 1111246, 1666869, 2222492, 3333738, 5000607, 6667476, 10001214, 20002428]

約数ペア:

[(1, 20002428), (2, 10001214), (3, 6667476), (4, 5000607), (6, 3333738), (9, 2222492), (12, 1666869), (18, 1111246), (36, 555623), (157, 127404), (314, 63702), (471, 42468), (628, 31851), (942, 21234), (1413, 14156), (1884, 10617), (2826, 7078), (3539, 5652)]