20144133560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1\times {\mathrm{449}}^1$

素因数の和:961

約数の個数: 128

約数和(自身を含む): 47500992000

約数和(自身を除く): 27356858440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 124, 155, 194, 248, 310, 373, 388, 449, 485, 620, 746, 776, 898, 970, 1240, 1492, 1796, 1865, 1940, 2245, 2984, 3007, 3592, 3730, 3880, 4490, 6014, 7460, 8980, 11563, 12028, 13919, 14920, 15035, 17960, 23126, 24056, 27838, 30070, 36181, 43553, 46252, 55676, 57815, 60140, 69595, 72362, 87106, 92504, 111352, 115630, 120280, 139190, 144724, 167477, 174212, 180905, 217765, 231260, 278380, 289448, 334954, 348424, 361810, 435530, 462520, 556760, 669908, 723620, 837385, 871060, 1121611, 1339816, 1350143, 1447240, 1674770, 1742120, 2243222, 2700286, 3349540, 4486444, 5191787, 5400572, 5608055, 6699080, 6750715, 8972888, 10383574, 10801144, 11216110, 13501430, 16245269, 20767148, 22432220, 25958935, 27002860, 32490538, 41534296, 44864440, 51917870, 54005720, 64981076, 81226345, 103835740, 129962152, 162452690, 207671480, 324905380, 503603339, 649810760, 1007206678, 2014413356, 2518016695, 4028826712, 5036033390, 10072066780, 20144133560]

約数ペア:

[(1, 20144133560), (2, 10072066780), (4, 5036033390), (5, 4028826712), (8, 2518016695), (10, 2014413356), (20, 1007206678), (31, 649810760), (40, 503603339), (62, 324905380), (97, 207671480), (124, 162452690), (155, 129962152), (194, 103835740), (248, 81226345), (310, 64981076), (373, 54005720), (388, 51917870), (449, 44864440), (485, 41534296), (620, 32490538), (746, 27002860), (776, 25958935), (898, 22432220), (970, 20767148), (1240, 16245269), (1492, 13501430), (1796, 11216110), (1865, 10801144), (1940, 10383574), (2245, 8972888), (2984, 6750715), (3007, 6699080), (3592, 5608055), (3730, 5400572), (3880, 5191787), (4490, 4486444), (6014, 3349540), (7460, 2700286), (8980, 2243222), (11563, 1742120), (12028, 1674770), (13919, 1447240), (14920, 1350143), (15035, 1339816), (17960, 1121611), (23126, 871060), (24056, 837385), (27838, 723620), (30070, 669908), (36181, 556760), (43553, 462520), (46252, 435530), (55676, 361810), (57815, 348424), (60140, 334954), (69595, 289448), (72362, 278380), (87106, 231260), (92504, 217765), (111352, 180905), (115630, 174212), (120280, 167477), (139190, 144724)]