20667900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{6263}}^1$

素因数の和:6291

約数の個数: 72

約数和(自身を含む): 65245824

約数和(自身を除く): 44577924

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 550, 660, 825, 1100, 1650, 3300, 6263, 12526, 18789, 25052, 31315, 37578, 62630, 68893, 75156, 93945, 125260, 137786, 156575, 187890, 206679, 275572, 313150, 344465, 375780, 413358, 469725, 626300, 688930, 826716, 939450, 1033395, 1377860, 1722325, 1878900, 2066790, 3444650, 4133580, 5166975, 6889300, 10333950, 20667900]

約数ペア:

[(1, 20667900), (2, 10333950), (3, 6889300), (4, 5166975), (5, 4133580), (6, 3444650), (10, 2066790), (11, 1878900), (12, 1722325), (15, 1377860), (20, 1033395), (22, 939450), (25, 826716), (30, 688930), (33, 626300), (44, 469725), (50, 413358), (55, 375780), (60, 344465), (66, 313150), (75, 275572), (100, 206679), (110, 187890), (132, 156575), (150, 137786), (165, 125260), (220, 93945), (275, 75156), (300, 68893), (330, 62630), (550, 37578), (660, 31315), (825, 25052), (1100, 18789), (1650, 12526), (3300, 6263)]