20171405155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{617}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 27765504000

約数和(自身を除く): 7594098845

約数列:

[1, 5, 11, 29, 55, 103, 145, 199, 319, 515, 617, 995, 1133, 1595, 2189, 2987, 3085, 5665, 5771, 6787, 10945, 14935, 17893, 20497, 28855, 32857, 33935, 63481, 63551, 89465, 102485, 122783, 164285, 196823, 225467, 317405, 317755, 594413, 613915, 699061, 984115, 1127335, 1350613, 1842979, 2972065, 3495305, 3560707, 6538543, 6753065, 9214895, 12646649, 17803535, 20272769, 32692715, 39167777, 63233245, 101363845, 139113139, 195838885, 366752821, 695565695, 1833764105, 4034281031, 20171405155]

約数ペア:

[(1, 20171405155), (5, 4034281031), (11, 1833764105), (29, 695565695), (55, 366752821), (103, 195838885), (145, 139113139), (199, 101363845), (319, 63233245), (515, 39167777), (617, 32692715), (995, 20272769), (1133, 17803535), (1595, 12646649), (2189, 9214895), (2987, 6753065), (3085, 6538543), (5665, 3560707), (5771, 3495305), (6787, 2972065), (10945, 1842979), (14935, 1350613), (17893, 1127335), (20497, 984115), (28855, 699061), (32857, 613915), (33935, 594413), (63481, 317755), (63551, 317405), (89465, 225467), (102485, 196823), (122783, 164285)]