20481804

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{683}}^1$

素因数の和:724

約数の個数: 108

約数和(自身を含む): 63862344

約数和(自身を除く): 43380540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 49, 51, 63, 68, 84, 98, 102, 119, 126, 147, 153, 196, 204, 238, 252, 294, 306, 357, 441, 476, 588, 612, 683, 714, 833, 882, 1071, 1366, 1428, 1666, 1764, 2049, 2142, 2499, 2732, 3332, 4098, 4284, 4781, 4998, 6147, 7497, 8196, 9562, 9996, 11611, 12294, 14343, 14994, 19124, 23222, 24588, 28686, 29988, 33467, 34833, 43029, 46444, 57372, 66934, 69666, 81277, 86058, 100401, 104499, 133868, 139332, 162554, 172116, 200802, 208998, 243831, 301203, 325108, 401604, 417996, 487662, 568939, 602406, 731493, 975324, 1137878, 1204812, 1462986, 1706817, 2275756, 2925972, 3413634, 5120451, 6827268, 10240902, 20481804]

約数ペア:

[(1, 20481804), (2, 10240902), (3, 6827268), (4, 5120451), (6, 3413634), (7, 2925972), (9, 2275756), (12, 1706817), (14, 1462986), (17, 1204812), (18, 1137878), (21, 975324), (28, 731493), (34, 602406), (36, 568939), (42, 487662), (49, 417996), (51, 401604), (63, 325108), (68, 301203), (84, 243831), (98, 208998), (102, 200802), (119, 172116), (126, 162554), (147, 139332), (153, 133868), (196, 104499), (204, 100401), (238, 86058), (252, 81277), (294, 69666), (306, 66934), (357, 57372), (441, 46444), (476, 43029), (588, 34833), (612, 33467), (683, 29988), (714, 28686), (833, 24588), (882, 23222), (1071, 19124), (1366, 14994), (1428, 14343), (1666, 12294), (1764, 11611), (2049, 9996), (2142, 9562), (2499, 8196), (2732, 7497), (3332, 6147), (4098, 4998), (4284, 4781)]