20784224727

素因数分解:

$3^5\times 7^1\times {\mathrm{433}}^1\times {\mathrm{28219}}^1$

素因数の和:28674

約数の個数: 48

約数和(自身を含む): 35664661760

約数和(自身を除く): 14880437033

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 433, 567, 1299, 1701, 3031, 3897, 9093, 11691, 27279, 28219, 35073, 81837, 84657, 105219, 197533, 245511, 253971, 592599, 736533, 761913, 1777797, 2285739, 5333391, 6857217, 12218827, 16000173, 36656481, 48000519, 85531789, 109969443, 256595367, 329908329, 769786101, 989724987, 2309358303, 2969174961, 6928074909, 20784224727]

約数ペア:

[(1, 20784224727), (3, 6928074909), (7, 2969174961), (9, 2309358303), (21, 989724987), (27, 769786101), (63, 329908329), (81, 256595367), (189, 109969443), (243, 85531789), (433, 48000519), (567, 36656481), (1299, 16000173), (1701, 12218827), (3031, 6857217), (3897, 5333391), (9093, 2285739), (11691, 1777797), (27279, 761913), (28219, 736533), (35073, 592599), (81837, 253971), (84657, 245511), (105219, 197533)]