20453958

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1061}}^1$

素因数の和:1099

約数の個数: 80

約数和(自身を含む): 55512864

約数和(自身を除く): 35058906

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 81, 102, 119, 126, 153, 162, 189, 238, 306, 357, 378, 459, 567, 714, 918, 1061, 1071, 1134, 1377, 2122, 2142, 2754, 3183, 3213, 6366, 6426, 7427, 9549, 9639, 14854, 18037, 19098, 19278, 22281, 28647, 36074, 44562, 54111, 57294, 66843, 85941, 108222, 126259, 133686, 162333, 171882, 200529, 252518, 324666, 378777, 401058, 486999, 601587, 757554, 973998, 1136331, 1203174, 1460997, 2272662, 2921994, 3408993, 6817986, 10226979, 20453958]

約数ペア:

[(1, 20453958), (2, 10226979), (3, 6817986), (6, 3408993), (7, 2921994), (9, 2272662), (14, 1460997), (17, 1203174), (18, 1136331), (21, 973998), (27, 757554), (34, 601587), (42, 486999), (51, 401058), (54, 378777), (63, 324666), (81, 252518), (102, 200529), (119, 171882), (126, 162333), (153, 133686), (162, 126259), (189, 108222), (238, 85941), (306, 66843), (357, 57294), (378, 54111), (459, 44562), (567, 36074), (714, 28647), (918, 22281), (1061, 19278), (1071, 19098), (1134, 18037), (1377, 14854), (2122, 9639), (2142, 9549), (2754, 7427), (3183, 6426), (3213, 6366)]