20752307840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1237}}^1\times {\mathrm{2383}}^1$

素因数の和:3650

約数の個数: 128

約数和(自身を含む): 54187557120

約数和(自身を除く): 33435249280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1237, 1408, 1760, 2383, 2474, 3520, 4766, 4948, 6185, 7040, 9532, 9896, 11915, 12370, 13607, 19064, 19792, 23830, 24740, 26213, 27214, 38128, 39584, 47660, 49480, 52426, 54428, 68035, 76256, 79168, 95320, 98960, 104852, 108856, 131065, 136070, 152512, 158336, 190640, 197920, 209704, 217712, 262130, 272140, 305024, 381280, 395840, 419408, 435424, 524260, 544280, 762560, 791680, 838816, 870848, 1048520, 1088560, 1525120, 1677632, 1741696, 2097040, 2177120, 2947771, 3355264, 4194080, 4354240, 5895542, 8388160, 8708480, 11791084, 14738855, 16776320, 23582168, 29477710, 32425481, 47164336, 58955420, 64850962, 94328672, 117910840, 129701924, 162127405, 188657344, 235821680, 259403848, 324254810, 377314688, 471643360, 518807696, 648509620, 943286720, 1037615392, 1297019240, 1886573440, 2075230784, 2594038480, 4150461568, 5188076960, 10376153920, 20752307840]

約数ペア:

[(1, 20752307840), (2, 10376153920), (4, 5188076960), (5, 4150461568), (8, 2594038480), (10, 2075230784), (11, 1886573440), (16, 1297019240), (20, 1037615392), (22, 943286720), (32, 648509620), (40, 518807696), (44, 471643360), (55, 377314688), (64, 324254810), (80, 259403848), (88, 235821680), (110, 188657344), (128, 162127405), (160, 129701924), (176, 117910840), (220, 94328672), (320, 64850962), (352, 58955420), (440, 47164336), (640, 32425481), (704, 29477710), (880, 23582168), (1237, 16776320), (1408, 14738855), (1760, 11791084), (2383, 8708480), (2474, 8388160), (3520, 5895542), (4766, 4354240), (4948, 4194080), (6185, 3355264), (7040, 2947771), (9532, 2177120), (9896, 2097040), (11915, 1741696), (12370, 1677632), (13607, 1525120), (19064, 1088560), (19792, 1048520), (23830, 870848), (24740, 838816), (26213, 791680), (27214, 762560), (38128, 544280), (39584, 524260), (47660, 435424), (49480, 419408), (52426, 395840), (54428, 381280), (68035, 305024), (76256, 272140), (79168, 262130), (95320, 217712), (98960, 209704), (104852, 197920), (108856, 190640), (131065, 158336), (136070, 152512)]