20857534140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6558973}}^1$

素因数の和:6559038

約数の個数: 48

約数和(自身を含む): 59503012128

約数和(自身を除く): 38645477988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 6558973, 13117946, 19676919, 26235892, 32794865, 39353838, 65589730, 78707676, 98384595, 131179460, 196769190, 347625569, 393538380, 695251138, 1042876707, 1390502276, 1738127845, 2085753414, 3476255690, 4171506828, 5214383535, 6952511380, 10428767070, 20857534140]

約数ペア:

[(1, 20857534140), (2, 10428767070), (3, 6952511380), (4, 5214383535), (5, 4171506828), (6, 3476255690), (10, 2085753414), (12, 1738127845), (15, 1390502276), (20, 1042876707), (30, 695251138), (53, 393538380), (60, 347625569), (106, 196769190), (159, 131179460), (212, 98384595), (265, 78707676), (318, 65589730), (530, 39353838), (636, 32794865), (795, 26235892), (1060, 19676919), (1590, 13117946), (3180, 6558973)]