20642820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31277}}^1$

素因数の和:31300

約数の個数: 48

約数和(自身を含む): 63056448

約数和(自身を除く): 42413628

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31277, 62554, 93831, 125108, 156385, 187662, 312770, 344047, 375324, 469155, 625540, 688094, 938310, 1032141, 1376188, 1720235, 1876620, 2064282, 3440470, 4128564, 5160705, 6880940, 10321410, 20642820]

約数ペア:

[(1, 20642820), (2, 10321410), (3, 6880940), (4, 5160705), (5, 4128564), (6, 3440470), (10, 2064282), (11, 1876620), (12, 1720235), (15, 1376188), (20, 1032141), (22, 938310), (30, 688094), (33, 625540), (44, 469155), (55, 375324), (60, 344047), (66, 312770), (110, 187662), (132, 156385), (165, 125108), (220, 93831), (330, 62554), (660, 31277)]