20312450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1039}}^1$

素因数の和:1091

約数の個数: 48

約数和(自身を含む): 41783040

約数和(自身を除く): 21470590

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 230, 391, 425, 575, 782, 850, 1039, 1150, 1955, 2078, 3910, 5195, 9775, 10390, 17663, 19550, 23897, 25975, 35326, 47794, 51950, 88315, 119485, 176630, 238970, 406249, 441575, 597425, 812498, 883150, 1194850, 2031245, 4062490, 10156225, 20312450]

約数ペア:

[(1, 20312450), (2, 10156225), (5, 4062490), (10, 2031245), (17, 1194850), (23, 883150), (25, 812498), (34, 597425), (46, 441575), (50, 406249), (85, 238970), (115, 176630), (170, 119485), (230, 88315), (391, 51950), (425, 47794), (575, 35326), (782, 25975), (850, 23897), (1039, 19550), (1150, 17663), (1955, 10390), (2078, 9775), (3910, 5195)]