20187215872

素因数分解:

$2^{11}\times {\mathrm{31}}^1\times {\mathrm{317969}}^1$

素因数の和:318022

約数の個数: 48

約数和(自身を含む): 41666788800

約数和(自身を除く): 21479572928

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1024, 1984, 2048, 3968, 7936, 15872, 31744, 63488, 317969, 635938, 1271876, 2543752, 5087504, 9857039, 10175008, 19714078, 20350016, 39428156, 40700032, 78856312, 81400064, 157712624, 162800128, 315425248, 325600256, 630850496, 651200512, 1261700992, 2523401984, 5046803968, 10093607936, 20187215872]

約数ペア:

[(1, 20187215872), (2, 10093607936), (4, 5046803968), (8, 2523401984), (16, 1261700992), (31, 651200512), (32, 630850496), (62, 325600256), (64, 315425248), (124, 162800128), (128, 157712624), (248, 81400064), (256, 78856312), (496, 40700032), (512, 39428156), (992, 20350016), (1024, 19714078), (1984, 10175008), (2048, 9857039), (3968, 5087504), (7936, 2543752), (15872, 1271876), (31744, 635938), (63488, 317969)]