20178026336

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{2237}}^1\times {\mathrm{21683}}^1$

素因数の和:23943

約数の個数: 48

約数和(自身を含む): 42802394544

約数和(自身を除く): 22624368208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 2237, 4474, 8948, 17896, 21683, 29081, 35792, 43366, 58162, 71584, 86732, 116324, 173464, 232648, 281879, 346928, 465296, 563758, 693856, 930592, 1127516, 2255032, 4510064, 9020128, 48504871, 97009742, 194019484, 388038968, 630563323, 776077936, 1261126646, 1552155872, 2522253292, 5044506584, 10089013168, 20178026336]

約数ペア:

[(1, 20178026336), (2, 10089013168), (4, 5044506584), (8, 2522253292), (13, 1552155872), (16, 1261126646), (26, 776077936), (32, 630563323), (52, 388038968), (104, 194019484), (208, 97009742), (416, 48504871), (2237, 9020128), (4474, 4510064), (8948, 2255032), (17896, 1127516), (21683, 930592), (29081, 693856), (35792, 563758), (43366, 465296), (58162, 346928), (71584, 281879), (86732, 232648), (116324, 173464)]