20008140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17551}}^1$

素因数の和:17582

約数の個数: 48

約数和(自身を含む): 58974720

約数和(自身を除く): 38966580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 17551, 35102, 52653, 70204, 87755, 105306, 175510, 210612, 263265, 333469, 351020, 526530, 666938, 1000407, 1053060, 1333876, 1667345, 2000814, 3334690, 4001628, 5002035, 6669380, 10004070, 20008140]

約数ペア:

[(1, 20008140), (2, 10004070), (3, 6669380), (4, 5002035), (5, 4001628), (6, 3334690), (10, 2000814), (12, 1667345), (15, 1333876), (19, 1053060), (20, 1000407), (30, 666938), (38, 526530), (57, 351020), (60, 333469), (76, 263265), (95, 210612), (114, 175510), (190, 105306), (228, 87755), (285, 70204), (380, 52653), (570, 35102), (1140, 17551)]