20216940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5711}}^1$

素因数の和:5782

約数の個数: 48

約数和(自身を含む): 57576960

約数和(自身を除く): 37360020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 5711, 11422, 17133, 22844, 28555, 34266, 57110, 68532, 85665, 114220, 171330, 336949, 342660, 673898, 1010847, 1347796, 1684745, 2021694, 3369490, 4043388, 5054235, 6738980, 10108470, 20216940]

約数ペア:

[(1, 20216940), (2, 10108470), (3, 6738980), (4, 5054235), (5, 4043388), (6, 3369490), (10, 2021694), (12, 1684745), (15, 1347796), (20, 1010847), (30, 673898), (59, 342660), (60, 336949), (118, 171330), (177, 114220), (236, 85665), (295, 68532), (354, 57110), (590, 34266), (708, 28555), (885, 22844), (1180, 17133), (1770, 11422), (3540, 5711)]