20784920640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1968269}}^1$

素因数の和:1968300

約数の個数: 112

約数和(自身を含む): 71991443520

約数和(自身を除く): 51206522880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1320, 1760, 2112, 2640, 3520, 5280, 10560, 1968269, 3936538, 5904807, 7873076, 9841345, 11809614, 15746152, 19682690, 21650959, 23619228, 29524035, 31492304, 39365380, 43301918, 47238456, 59048070, 62984608, 64952877, 78730760, 86603836, 94476912, 108254795, 118096140, 125969216, 129905754, 157461520, 173207672, 188953824, 216509590, 236192280, 259811508, 314923040, 324764385, 346415344, 377907648, 433019180, 472384560, 519623016, 629846080, 649528770, 692830688, 866038360, 944769120, 1039246032, 1299057540, 1385661376, 1732076720, 1889538240, 2078492064, 2598115080, 3464153440, 4156984128, 5196230160, 6928306880, 10392460320, 20784920640]

約数ペア:

[(1, 20784920640), (2, 10392460320), (3, 6928306880), (4, 5196230160), (5, 4156984128), (6, 3464153440), (8, 2598115080), (10, 2078492064), (11, 1889538240), (12, 1732076720), (15, 1385661376), (16, 1299057540), (20, 1039246032), (22, 944769120), (24, 866038360), (30, 692830688), (32, 649528770), (33, 629846080), (40, 519623016), (44, 472384560), (48, 433019180), (55, 377907648), (60, 346415344), (64, 324764385), (66, 314923040), (80, 259811508), (88, 236192280), (96, 216509590), (110, 188953824), (120, 173207672), (132, 157461520), (160, 129905754), (165, 125969216), (176, 118096140), (192, 108254795), (220, 94476912), (240, 86603836), (264, 78730760), (320, 64952877), (330, 62984608), (352, 59048070), (440, 47238456), (480, 43301918), (528, 39365380), (660, 31492304), (704, 29524035), (880, 23619228), (960, 21650959), (1056, 19682690), (1320, 15746152), (1760, 11809614), (2112, 9841345), (2640, 7873076), (3520, 5904807), (5280, 3936538), (10560, 1968269)]