20595645

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 41164032

約数和(自身を除く): 20568387

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 151, 315, 433, 453, 755, 1057, 1299, 1359, 2165, 2265, 3031, 3171, 3897, 5285, 6495, 6795, 9093, 9513, 15155, 15855, 19485, 27279, 45465, 47565, 65383, 136395, 196149, 326915, 457681, 588447, 980745, 1373043, 2288405, 2942235, 4119129, 6865215, 20595645]

約数ペア:

[(1, 20595645), (3, 6865215), (5, 4119129), (7, 2942235), (9, 2288405), (15, 1373043), (21, 980745), (35, 588447), (45, 457681), (63, 326915), (105, 196149), (151, 136395), (315, 65383), (433, 47565), (453, 45465), (755, 27279), (1057, 19485), (1299, 15855), (1359, 15155), (2165, 9513), (2265, 9093), (3031, 6795), (3171, 6495), (3897, 5285)]