20451708

素因数分解:

$2^2\times 3^2\times {\mathrm{239}}^1\times {\mathrm{2377}}^1$

素因数の和:2626

約数の個数: 36

約数和(自身を含む): 51935520

約数和(自身を除く): 31483812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 239, 478, 717, 956, 1434, 2151, 2377, 2868, 4302, 4754, 7131, 8604, 9508, 14262, 21393, 28524, 42786, 85572, 568103, 1136206, 1704309, 2272412, 3408618, 5112927, 6817236, 10225854, 20451708]

約数ペア:

[(1, 20451708), (2, 10225854), (3, 6817236), (4, 5112927), (6, 3408618), (9, 2272412), (12, 1704309), (18, 1136206), (36, 568103), (239, 85572), (478, 42786), (717, 28524), (956, 21393), (1434, 14262), (2151, 9508), (2377, 8604), (2868, 7131), (4302, 4754)]