20256224664

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{511211}}^1$

素因数の和:511360

約数の個数: 64

約数和(自身を含む): 54965514240

約数和(自身を除く): 34709289576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 127, 156, 254, 312, 381, 508, 762, 1016, 1524, 1651, 3048, 3302, 4953, 6604, 9906, 13208, 19812, 39624, 511211, 1022422, 1533633, 2044844, 3067266, 4089688, 6134532, 6645743, 12269064, 13291486, 19937229, 26582972, 39874458, 53165944, 64923797, 79748916, 129847594, 159497832, 194771391, 259695188, 389542782, 519390376, 779085564, 844009361, 1558171128, 1688018722, 2532028083, 3376037444, 5064056166, 6752074888, 10128112332, 20256224664]

約数ペア:

[(1, 20256224664), (2, 10128112332), (3, 6752074888), (4, 5064056166), (6, 3376037444), (8, 2532028083), (12, 1688018722), (13, 1558171128), (24, 844009361), (26, 779085564), (39, 519390376), (52, 389542782), (78, 259695188), (104, 194771391), (127, 159497832), (156, 129847594), (254, 79748916), (312, 64923797), (381, 53165944), (508, 39874458), (762, 26582972), (1016, 19937229), (1524, 13291486), (1651, 12269064), (3048, 6645743), (3302, 6134532), (4953, 4089688), (6604, 3067266), (9906, 2044844), (13208, 1533633), (19812, 1022422), (39624, 511211)]