20199771171

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{271}}^1\times {\mathrm{11087}}^1$

素因数の和:11453

約数の個数: 40

約数和(自身を含む): 30653973504

約数和(自身を除く): 10454202333

約数列:

[1, 3, 9, 27, 81, 83, 249, 271, 747, 813, 2241, 2439, 6723, 7317, 11087, 21951, 22493, 33261, 67479, 99783, 202437, 299349, 607311, 898047, 920221, 1821933, 2760663, 3004577, 8281989, 9013731, 24845967, 27041193, 74537901, 81123579, 243370737, 249379891, 748139673, 2244419019, 6733257057, 20199771171]

約数ペア:

[(1, 20199771171), (3, 6733257057), (9, 2244419019), (27, 748139673), (81, 249379891), (83, 243370737), (249, 81123579), (271, 74537901), (747, 27041193), (813, 24845967), (2241, 9013731), (2439, 8281989), (6723, 3004577), (7317, 2760663), (11087, 1821933), (21951, 920221), (22493, 898047), (33261, 607311), (67479, 299349), (99783, 202437)]