201384620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{245591}}^1$

素因数の和:245641

約数の個数: 24

約数和(自身を含む): 433224288

約数和(自身を除く): 231839668

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 245591, 491182, 982364, 1227955, 2455910, 4911820, 10069231, 20138462, 40276924, 50346155, 100692310, 201384620]

約数ペア:

[(1, 201384620), (2, 100692310), (4, 50346155), (5, 40276924), (10, 20138462), (20, 10069231), (41, 4911820), (82, 2455910), (164, 1227955), (205, 982364), (410, 491182), (820, 245591)]