20702977258

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{266153}}^1$

素因数の和:266286

約数の個数: 32

約数和(自身を含む): 34493558400

約数和(自身を除く): 13790581142

約数列:

[1, 2, 19, 23, 38, 46, 89, 178, 437, 874, 1691, 2047, 3382, 4094, 38893, 77786, 266153, 532306, 5056907, 6121519, 10113814, 12243038, 23687617, 47375234, 116308861, 232617722, 450064723, 544815191, 900129446, 1089630382, 10351488629, 20702977258]

約数ペア:

[(1, 20702977258), (2, 10351488629), (19, 1089630382), (23, 900129446), (38, 544815191), (46, 450064723), (89, 232617722), (178, 116308861), (437, 47375234), (874, 23687617), (1691, 12243038), (2047, 10113814), (3382, 6121519), (4094, 5056907), (38893, 532306), (77786, 266153)]