20630120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73679}}^1$

素因数の和:73697

約数の個数: 32

約数和(自身を含む): 53049600

約数和(自身を除く): 32419480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73679, 147358, 294716, 368395, 515753, 589432, 736790, 1031506, 1473580, 2063012, 2578765, 2947160, 4126024, 5157530, 10315060, 20630120]

約数ペア:

[(1, 20630120), (2, 10315060), (4, 5157530), (5, 4126024), (7, 2947160), (8, 2578765), (10, 2063012), (14, 1473580), (20, 1031506), (28, 736790), (35, 589432), (40, 515753), (56, 368395), (70, 294716), (140, 147358), (280, 73679)]