20077565060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{913447}}^1$

素因数の和:913620

約数の個数: 48

約数和(自身を含む): 48493127424

約数和(自身を除く): 28415562364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 10990, 21980, 913447, 1826894, 3653788, 4567235, 6394129, 9134470, 12788258, 18268940, 25576516, 31970645, 63941290, 127882580, 143411179, 286822358, 573644716, 717055895, 1003878253, 1434111790, 2007756506, 2868223580, 4015513012, 5019391265, 10038782530, 20077565060]

約数ペア:

[(1, 20077565060), (2, 10038782530), (4, 5019391265), (5, 4015513012), (7, 2868223580), (10, 2007756506), (14, 1434111790), (20, 1003878253), (28, 717055895), (35, 573644716), (70, 286822358), (140, 143411179), (157, 127882580), (314, 63941290), (628, 31970645), (785, 25576516), (1099, 18268940), (1570, 12788258), (2198, 9134470), (3140, 6394129), (4396, 4567235), (5495, 3653788), (10990, 1826894), (21980, 913447)]