20668890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{62633}}^1$

素因数の和:62654

約数の個数: 32

約数和(自身を含む): 54115776

約数和(自身を除く): 33446886

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 62633, 125266, 187899, 313165, 375798, 626330, 688963, 939495, 1377926, 1878990, 2066889, 3444815, 4133778, 6889630, 10334445, 20668890]

約数ペア:

[(1, 20668890), (2, 10334445), (3, 6889630), (5, 4133778), (6, 3444815), (10, 2066889), (11, 1878990), (15, 1377926), (22, 939495), (30, 688963), (33, 626330), (55, 375798), (66, 313165), (110, 187899), (165, 125266), (330, 62633)]