20481180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1907}}^1$

素因数の和:2098

約数の個数: 48

約数和(自身を含む): 57697920

約数和(自身を除く): 37216740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1790, 1907, 2148, 2685, 3580, 3814, 5370, 5721, 7628, 9535, 10740, 11442, 19070, 22884, 28605, 38140, 57210, 114420, 341353, 682706, 1024059, 1365412, 1706765, 2048118, 3413530, 4096236, 5120295, 6827060, 10240590, 20481180]

約数ペア:

[(1, 20481180), (2, 10240590), (3, 6827060), (4, 5120295), (5, 4096236), (6, 3413530), (10, 2048118), (12, 1706765), (15, 1365412), (20, 1024059), (30, 682706), (60, 341353), (179, 114420), (358, 57210), (537, 38140), (716, 28605), (895, 22884), (1074, 19070), (1790, 11442), (1907, 10740), (2148, 9535), (2685, 7628), (3580, 5721), (3814, 5370)]