20184889788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{285049}}^1$

素因数の和:285347

約数の個数: 72

約数和(自身を含む): 58519624800

約数和(自身を除く): 38334735012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 281, 562, 843, 1124, 1686, 1967, 2529, 3372, 3934, 5058, 5901, 7868, 10116, 11802, 17703, 23604, 35406, 70812, 285049, 570098, 855147, 1140196, 1710294, 1995343, 2565441, 3420588, 3990686, 5130882, 5986029, 7981372, 10261764, 11972058, 17958087, 23944116, 35916174, 71832348, 80098769, 160197538, 240296307, 320395076, 480592614, 560691383, 720888921, 961185228, 1121382766, 1441777842, 1682074149, 2242765532, 2883555684, 3364148298, 5046222447, 6728296596, 10092444894, 20184889788]

約数ペア:

[(1, 20184889788), (2, 10092444894), (3, 6728296596), (4, 5046222447), (6, 3364148298), (7, 2883555684), (9, 2242765532), (12, 1682074149), (14, 1441777842), (18, 1121382766), (21, 961185228), (28, 720888921), (36, 560691383), (42, 480592614), (63, 320395076), (84, 240296307), (126, 160197538), (252, 80098769), (281, 71832348), (562, 35916174), (843, 23944116), (1124, 17958087), (1686, 11972058), (1967, 10261764), (2529, 7981372), (3372, 5986029), (3934, 5130882), (5058, 3990686), (5901, 3420588), (7868, 2565441), (10116, 1995343), (11802, 1710294), (17703, 1140196), (23604, 855147), (35406, 570098), (70812, 285049)]