20545620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1913}}^1$

素因数の和:2104

約数の個数: 48

約数和(自身を含む): 57879360

約数和(自身を除く): 37333740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1790, 1913, 2148, 2685, 3580, 3826, 5370, 5739, 7652, 9565, 10740, 11478, 19130, 22956, 28695, 38260, 57390, 114780, 342427, 684854, 1027281, 1369708, 1712135, 2054562, 3424270, 4109124, 5136405, 6848540, 10272810, 20545620]

約数ペア:

[(1, 20545620), (2, 10272810), (3, 6848540), (4, 5136405), (5, 4109124), (6, 3424270), (10, 2054562), (12, 1712135), (15, 1369708), (20, 1027281), (30, 684854), (60, 342427), (179, 114780), (358, 57390), (537, 38260), (716, 28695), (895, 22956), (1074, 19130), (1790, 11478), (1913, 10740), (2148, 9565), (2685, 7652), (3580, 5739), (3826, 5370)]