20770120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{10597}}^1$

素因数の和:10622

約数の個数: 48

約数和(自身を含む): 54367740

約数和(自身を除く): 33597620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 10597, 21194, 42388, 52985, 74179, 84776, 105970, 148358, 211940, 296716, 370895, 423880, 519253, 593432, 741790, 1038506, 1483580, 2077012, 2596265, 2967160, 4154024, 5192530, 10385060, 20770120]

約数ペア:

[(1, 20770120), (2, 10385060), (4, 5192530), (5, 4154024), (7, 2967160), (8, 2596265), (10, 2077012), (14, 1483580), (20, 1038506), (28, 741790), (35, 593432), (40, 519253), (49, 423880), (56, 370895), (70, 296716), (98, 211940), (140, 148358), (196, 105970), (245, 84776), (280, 74179), (392, 52985), (490, 42388), (980, 21194), (1960, 10597)]