20323720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22091}}^1$

素因数の和:22125

約数の個数: 32

約数和(自身を含む): 47718720

約数和(自身を除く): 27395000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22091, 44182, 88364, 110455, 176728, 220910, 441820, 508093, 883640, 1016186, 2032372, 2540465, 4064744, 5080930, 10161860, 20323720]

約数ペア:

[(1, 20323720), (2, 10161860), (4, 5080930), (5, 4064744), (8, 2540465), (10, 2032372), (20, 1016186), (23, 883640), (40, 508093), (46, 441820), (92, 220910), (115, 176728), (184, 110455), (230, 88364), (460, 44182), (920, 22091)]