20041421000

素因数分解:

$2^3\times 5^3\times {\mathrm{107}}^1\times {\mathrm{187303}}^1$

素因数の和:187431

約数の個数: 64

約数和(自身を含む): 47335466880

約数和(自身を除く): 27294045880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 125, 200, 214, 250, 428, 500, 535, 856, 1000, 1070, 2140, 2675, 4280, 5350, 10700, 13375, 21400, 26750, 53500, 107000, 187303, 374606, 749212, 936515, 1498424, 1873030, 3746060, 4682575, 7492120, 9365150, 18730300, 20041421, 23412875, 37460600, 40082842, 46825750, 80165684, 93651500, 100207105, 160331368, 187303000, 200414210, 400828420, 501035525, 801656840, 1002071050, 2004142100, 2505177625, 4008284200, 5010355250, 10020710500, 20041421000]

約数ペア:

[(1, 20041421000), (2, 10020710500), (4, 5010355250), (5, 4008284200), (8, 2505177625), (10, 2004142100), (20, 1002071050), (25, 801656840), (40, 501035525), (50, 400828420), (100, 200414210), (107, 187303000), (125, 160331368), (200, 100207105), (214, 93651500), (250, 80165684), (428, 46825750), (500, 40082842), (535, 37460600), (856, 23412875), (1000, 20041421), (1070, 18730300), (2140, 9365150), (2675, 7492120), (4280, 4682575), (5350, 3746060), (10700, 1873030), (13375, 1498424), (21400, 936515), (26750, 749212), (53500, 374606), (107000, 187303)]