20689143120

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3192769}}^1$

素因数の和:3192794

約数の個数: 100

約数和(自身を含む): 71856481620

約数和(自身を除く): 51167338500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 3192769, 6385538, 9578307, 12771076, 15963845, 19156614, 25542152, 28734921, 31927690, 38313228, 47891535, 51084304, 57469842, 63855380, 76626456, 86204763, 95783070, 114939684, 127710760, 143674605, 153252912, 172409526, 191566140, 229879368, 255421520, 258614289, 287349210, 344819052, 383132280, 431023815, 459758736, 517228578, 574698420, 689638104, 766264560, 862047630, 1034457156, 1149396840, 1293071445, 1379276208, 1724095260, 2068914312, 2298793680, 2586142890, 3448190520, 4137828624, 5172285780, 6896381040, 10344571560, 20689143120]

約数ペア:

[(1, 20689143120), (2, 10344571560), (3, 6896381040), (4, 5172285780), (5, 4137828624), (6, 3448190520), (8, 2586142890), (9, 2298793680), (10, 2068914312), (12, 1724095260), (15, 1379276208), (16, 1293071445), (18, 1149396840), (20, 1034457156), (24, 862047630), (27, 766264560), (30, 689638104), (36, 574698420), (40, 517228578), (45, 459758736), (48, 431023815), (54, 383132280), (60, 344819052), (72, 287349210), (80, 258614289), (81, 255421520), (90, 229879368), (108, 191566140), (120, 172409526), (135, 153252912), (144, 143674605), (162, 127710760), (180, 114939684), (216, 95783070), (240, 86204763), (270, 76626456), (324, 63855380), (360, 57469842), (405, 51084304), (432, 47891535), (540, 38313228), (648, 31927690), (720, 28734921), (810, 25542152), (1080, 19156614), (1296, 15963845), (1620, 12771076), (2160, 9578307), (3240, 6385538), (6480, 3192769)]