20087750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4229}}^1$

素因数の和:4265

約数の個数: 32

約数和(自身を含む): 39592800

約数和(自身を除く): 19505050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4229, 4750, 8458, 21145, 42290, 80351, 105725, 160702, 211450, 401755, 528625, 803510, 1057250, 2008775, 4017550, 10043875, 20087750]

約数ペア:

[(1, 20087750), (2, 10043875), (5, 4017550), (10, 2008775), (19, 1057250), (25, 803510), (38, 528625), (50, 401755), (95, 211450), (125, 160702), (190, 105725), (250, 80351), (475, 42290), (950, 21145), (2375, 8458), (4229, 4750)]