20218887909

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{87917}}^1$

素因数の和:88058

約数の個数: 48

約数和(自身を含む): 33574829184

約数和(自身を除く): 13355941275

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 101, 207, 253, 303, 759, 909, 1111, 2277, 2323, 3333, 6969, 9999, 20907, 25553, 76659, 87917, 229977, 263751, 791253, 967087, 2022091, 2901261, 6066273, 8703783, 8879617, 18198819, 22243001, 26638851, 66729003, 79916553, 97675787, 200187009, 204231191, 293027361, 612693573, 879082083, 1838080719, 2246543101, 6739629303, 20218887909]

約数ペア:

[(1, 20218887909), (3, 6739629303), (9, 2246543101), (11, 1838080719), (23, 879082083), (33, 612693573), (69, 293027361), (99, 204231191), (101, 200187009), (207, 97675787), (253, 79916553), (303, 66729003), (759, 26638851), (909, 22243001), (1111, 18198819), (2277, 8879617), (2323, 8703783), (3333, 6066273), (6969, 2901261), (9999, 2022091), (20907, 967087), (25553, 791253), (76659, 263751), (87917, 229977)]