20576260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1091}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 25654652

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1091, 1886, 2182, 3772, 4364, 4715, 5455, 9430, 10910, 18860, 21820, 25093, 44731, 50186, 89462, 100372, 125465, 178924, 223655, 250930, 447310, 501860, 894620, 1028813, 2057626, 4115252, 5144065, 10288130, 20576260]

約数ペア:

[(1, 20576260), (2, 10288130), (4, 5144065), (5, 4115252), (10, 2057626), (20, 1028813), (23, 894620), (41, 501860), (46, 447310), (82, 250930), (92, 223655), (115, 178924), (164, 125465), (205, 100372), (230, 89462), (410, 50186), (460, 44731), (820, 25093), (943, 21820), (1091, 18860), (1886, 10910), (2182, 9430), (3772, 5455), (4364, 4715)]