20796998784

素因数分解:

$2^7\times 3^1\times {\mathrm{1327}}^1\times {\mathrm{40813}}^1$

素因数の和:42157

約数の個数: 64

約数和(自身を含む): 55285011840

約数和(自身を除く): 34488013056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 1327, 2654, 3981, 5308, 7962, 10616, 15924, 21232, 31848, 40813, 42464, 63696, 81626, 84928, 122439, 127392, 163252, 169856, 244878, 254784, 326504, 489756, 509568, 653008, 979512, 1306016, 1959024, 2612032, 3918048, 5224064, 7836096, 15672192, 54158851, 108317702, 162476553, 216635404, 324953106, 433270808, 649906212, 866541616, 1299812424, 1733083232, 2599624848, 3466166464, 5199249696, 6932332928, 10398499392, 20796998784]

約数ペア:

[(1, 20796998784), (2, 10398499392), (3, 6932332928), (4, 5199249696), (6, 3466166464), (8, 2599624848), (12, 1733083232), (16, 1299812424), (24, 866541616), (32, 649906212), (48, 433270808), (64, 324953106), (96, 216635404), (128, 162476553), (192, 108317702), (384, 54158851), (1327, 15672192), (2654, 7836096), (3981, 5224064), (5308, 3918048), (7962, 2612032), (10616, 1959024), (15924, 1306016), (21232, 979512), (31848, 653008), (40813, 509568), (42464, 489756), (63696, 326504), (81626, 254784), (84928, 244878), (122439, 169856), (127392, 163252)]