20891298816

素因数分解:

$2^{10}\times 3^3\times {\mathrm{755617}}^1$

素因数の和:755646

約数の個数: 88

約数和(自身を含む): 61870001840

約数和(自身を除く): 40978703024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 512, 576, 768, 864, 1024, 1152, 1536, 1728, 2304, 3072, 3456, 4608, 6912, 9216, 13824, 27648, 755617, 1511234, 2266851, 3022468, 4533702, 6044936, 6800553, 9067404, 12089872, 13601106, 18134808, 20401659, 24179744, 27202212, 36269616, 40803318, 48359488, 54404424, 72539232, 81606636, 96718976, 108808848, 145078464, 163213272, 193437952, 217617696, 290156928, 326426544, 386875904, 435235392, 580313856, 652853088, 773751808, 870470784, 1160627712, 1305706176, 1740941568, 2321255424, 2611412352, 3481883136, 5222824704, 6963766272, 10445649408, 20891298816]

約数ペア:

[(1, 20891298816), (2, 10445649408), (3, 6963766272), (4, 5222824704), (6, 3481883136), (8, 2611412352), (9, 2321255424), (12, 1740941568), (16, 1305706176), (18, 1160627712), (24, 870470784), (27, 773751808), (32, 652853088), (36, 580313856), (48, 435235392), (54, 386875904), (64, 326426544), (72, 290156928), (96, 217617696), (108, 193437952), (128, 163213272), (144, 145078464), (192, 108808848), (216, 96718976), (256, 81606636), (288, 72539232), (384, 54404424), (432, 48359488), (512, 40803318), (576, 36269616), (768, 27202212), (864, 24179744), (1024, 20401659), (1152, 18134808), (1536, 13601106), (1728, 12089872), (2304, 9067404), (3072, 6800553), (3456, 6044936), (4608, 4533702), (6912, 3022468), (9216, 2266851), (13824, 1511234), (27648, 755617)]