20109712920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3557}}^1\times {\mathrm{4283}}^1$

素因数の和:7865

約数の個数: 128

約数和(自身を含む): 65847479040

約数和(自身を除く): 45737766120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 3557, 4283, 7114, 8566, 10671, 12849, 14228, 17132, 17785, 21342, 21415, 25698, 28456, 34264, 35570, 39127, 42684, 42830, 47113, 51396, 53355, 64245, 71140, 78254, 85368, 85660, 94226, 102792, 106710, 117381, 128490, 141339, 142280, 156508, 171320, 188452, 195635, 213420, 234762, 235565, 256980, 282678, 313016, 376904, 391270, 426840, 469524, 471130, 513960, 565356, 586905, 706695, 782540, 939048, 942260, 1130712, 1173810, 1413390, 1565080, 1884520, 2347620, 2826780, 4695240, 5653560, 15234631, 30469262, 45703893, 60938524, 76173155, 91407786, 121877048, 152346310, 167580941, 182815572, 228519465, 304692620, 335161882, 365631144, 457038930, 502742823, 609385240, 670323764, 837904705, 914077860, 1005485646, 1340647528, 1675809410, 1828155720, 2010971292, 2513714115, 3351618820, 4021942584, 5027428230, 6703237640, 10054856460, 20109712920]

約数ペア:

[(1, 20109712920), (2, 10054856460), (3, 6703237640), (4, 5027428230), (5, 4021942584), (6, 3351618820), (8, 2513714115), (10, 2010971292), (11, 1828155720), (12, 1675809410), (15, 1340647528), (20, 1005485646), (22, 914077860), (24, 837904705), (30, 670323764), (33, 609385240), (40, 502742823), (44, 457038930), (55, 365631144), (60, 335161882), (66, 304692620), (88, 228519465), (110, 182815572), (120, 167580941), (132, 152346310), (165, 121877048), (220, 91407786), (264, 76173155), (330, 60938524), (440, 45703893), (660, 30469262), (1320, 15234631), (3557, 5653560), (4283, 4695240), (7114, 2826780), (8566, 2347620), (10671, 1884520), (12849, 1565080), (14228, 1413390), (17132, 1173810), (17785, 1130712), (21342, 942260), (21415, 939048), (25698, 782540), (28456, 706695), (34264, 586905), (35570, 565356), (39127, 513960), (42684, 471130), (42830, 469524), (47113, 426840), (51396, 391270), (53355, 376904), (64245, 313016), (71140, 282678), (78254, 256980), (85368, 235565), (85660, 234762), (94226, 213420), (102792, 195635), (106710, 188452), (117381, 171320), (128490, 156508), (141339, 142280)]