20798640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9629}}^1$

素因数の和:9651

約数の個数: 80

約数和(自身を含む): 71647200

約数和(自身を除く): 50848560

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, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9629, 19258, 28887, 38516, 48145, 57774, 77032, 86661, 96290, 115548, 144435, 154064, 173322, 192580, 231096, 259983, 288870, 346644, 385160, 433305, 462192, 519966, 577740, 693288, 770320, 866610, 1039932, 1155480, 1299915, 1386576, 1733220, 2079864, 2310960, 2599830, 3466440, 4159728, 5199660, 6932880, 10399320, 20798640]

約数ペア:

[(1, 20798640), (2, 10399320), (3, 6932880), (4, 5199660), (5, 4159728), (6, 3466440), (8, 2599830), (9, 2310960), (10, 2079864), (12, 1733220), (15, 1386576), (16, 1299915), (18, 1155480), (20, 1039932), (24, 866610), (27, 770320), (30, 693288), (36, 577740), (40, 519966), (45, 462192), (48, 433305), (54, 385160), (60, 346644), (72, 288870), (80, 259983), (90, 231096), (108, 192580), (120, 173322), (135, 154064), (144, 144435), (180, 115548), (216, 96290), (240, 86661), (270, 77032), (360, 57774), (432, 48145), (540, 38516), (720, 28887), (1080, 19258), (2160, 9629)]