20565016256

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{72551}}^1$

素因数の和:72709

約数の個数: 56

約数和(自身を含む): 42163739904

約数和(自身を除く): 21598723648

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 103, 172, 206, 344, 412, 688, 824, 1376, 1648, 2752, 3296, 4429, 6592, 8858, 17716, 35432, 70864, 72551, 141728, 145102, 283456, 290204, 580408, 1160816, 2321632, 3119693, 4643264, 6239386, 7472753, 12478772, 14945506, 24957544, 29891012, 49915088, 59782024, 99830176, 119564048, 199660352, 239128096, 321328379, 478256192, 642656758, 1285313516, 2570627032, 5141254064, 10282508128, 20565016256]

約数ペア:

[(1, 20565016256), (2, 10282508128), (4, 5141254064), (8, 2570627032), (16, 1285313516), (32, 642656758), (43, 478256192), (64, 321328379), (86, 239128096), (103, 199660352), (172, 119564048), (206, 99830176), (344, 59782024), (412, 49915088), (688, 29891012), (824, 24957544), (1376, 14945506), (1648, 12478772), (2752, 7472753), (3296, 6239386), (4429, 4643264), (6592, 3119693), (8858, 2321632), (17716, 1160816), (35432, 580408), (70864, 290204), (72551, 283456), (141728, 145102)]