20182995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3769}}^1$

素因数の和:3804

約数の個数: 48

約数和(自身を含む): 42344640

約数和(自身を除く): 22161645

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 3769, 5355, 11307, 18845, 26383, 33921, 56535, 64073, 79149, 131915, 169605, 192219, 237447, 320365, 395745, 448511, 576657, 961095, 1187235, 1345533, 2242555, 2883285, 4036599, 6727665, 20182995]

約数ペア:

[(1, 20182995), (3, 6727665), (5, 4036599), (7, 2883285), (9, 2242555), (15, 1345533), (17, 1187235), (21, 961095), (35, 576657), (45, 448511), (51, 395745), (63, 320365), (85, 237447), (105, 192219), (119, 169605), (153, 131915), (255, 79149), (315, 64073), (357, 56535), (595, 33921), (765, 26383), (1071, 18845), (1785, 11307), (3769, 5355)]