16820724

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 41000960

約数和(自身を除く): 24180236

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 103, 124, 186, 206, 309, 372, 412, 439, 618, 878, 1236, 1317, 1756, 2634, 3193, 5268, 6386, 9579, 12772, 13609, 19158, 27218, 38316, 40827, 45217, 54436, 81654, 90434, 135651, 163308, 180868, 271302, 542604, 1401727, 2803454, 4205181, 5606908, 8410362, 16820724]

約数ペア:

[(1, 16820724), (2, 8410362), (3, 5606908), (4, 4205181), (6, 2803454), (12, 1401727), (31, 542604), (62, 271302), (93, 180868), (103, 163308), (124, 135651), (186, 90434), (206, 81654), (309, 54436), (372, 45217), (412, 40827), (439, 38316), (618, 27218), (878, 19158), (1236, 13609), (1317, 12772), (1756, 9579), (2634, 6386), (3193, 5268)]