20506770

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:151

約数の個数: 112

約数和(自身を含む): 57841560

約数和(自身を除く): 37334790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 81, 87, 90, 97, 135, 145, 162, 174, 194, 243, 261, 270, 290, 291, 405, 435, 485, 486, 522, 582, 729, 783, 810, 870, 873, 970, 1215, 1305, 1455, 1458, 1566, 1746, 2349, 2430, 2610, 2619, 2813, 2910, 3645, 3915, 4365, 4698, 5238, 5626, 7047, 7290, 7830, 7857, 8439, 8730, 11745, 13095, 14065, 14094, 15714, 16878, 21141, 23490, 23571, 25317, 26190, 28130, 35235, 39285, 42195, 42282, 47142, 50634, 70470, 70713, 75951, 78570, 84390, 105705, 117855, 126585, 141426, 151902, 211410, 227853, 235710, 253170, 353565, 379755, 455706, 683559, 707130, 759510, 1139265, 1367118, 2050677, 2278530, 3417795, 4101354, 6835590, 10253385, 20506770]

約数ペア:

[(1, 20506770), (2, 10253385), (3, 6835590), (5, 4101354), (6, 3417795), (9, 2278530), (10, 2050677), (15, 1367118), (18, 1139265), (27, 759510), (29, 707130), (30, 683559), (45, 455706), (54, 379755), (58, 353565), (81, 253170), (87, 235710), (90, 227853), (97, 211410), (135, 151902), (145, 141426), (162, 126585), (174, 117855), (194, 105705), (243, 84390), (261, 78570), (270, 75951), (290, 70713), (291, 70470), (405, 50634), (435, 47142), (485, 42282), (486, 42195), (522, 39285), (582, 35235), (729, 28130), (783, 26190), (810, 25317), (870, 23571), (873, 23490), (970, 21141), (1215, 16878), (1305, 15714), (1455, 14094), (1458, 14065), (1566, 13095), (1746, 11745), (2349, 8730), (2430, 8439), (2610, 7857), (2619, 7830), (2813, 7290), (2910, 7047), (3645, 5626), (3915, 5238), (4365, 4698)]