20342454190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{4909}}^1$

素因数の和:5401

約数の個数: 64

約数和(自身を含む): 39198297600

約数和(自身を除く): 18855843410

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 419, 430, 838, 989, 1978, 2095, 4190, 4909, 4945, 9637, 9818, 9890, 18017, 19274, 24545, 36034, 48185, 49090, 90085, 96370, 112907, 180170, 211087, 225814, 414391, 422174, 564535, 828782, 1055435, 1129070, 2056871, 2071955, 2110870, 4113742, 4143910, 4855001, 9710002, 10284355, 20568710, 24275005, 47308033, 48550010, 88445453, 94616066, 176890906, 236540165, 442227265, 473080330, 884454530, 2034245419, 4068490838, 10171227095, 20342454190]

約数ペア:

[(1, 20342454190), (2, 10171227095), (5, 4068490838), (10, 2034245419), (23, 884454530), (43, 473080330), (46, 442227265), (86, 236540165), (115, 176890906), (215, 94616066), (230, 88445453), (419, 48550010), (430, 47308033), (838, 24275005), (989, 20568710), (1978, 10284355), (2095, 9710002), (4190, 4855001), (4909, 4143910), (4945, 4113742), (9637, 2110870), (9818, 2071955), (9890, 2056871), (18017, 1129070), (19274, 1055435), (24545, 828782), (36034, 564535), (48185, 422174), (49090, 414391), (90085, 225814), (96370, 211087), (112907, 180170)]