20154948

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1427}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 51819264

約数和(自身を除く): 31664316

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 107, 132, 214, 321, 428, 642, 1177, 1284, 1427, 2354, 2854, 3531, 4281, 4708, 5708, 7062, 8562, 14124, 15697, 17124, 31394, 47091, 62788, 94182, 152689, 188364, 305378, 458067, 610756, 916134, 1679579, 1832268, 3359158, 5038737, 6718316, 10077474, 20154948]

約数ペア:

[(1, 20154948), (2, 10077474), (3, 6718316), (4, 5038737), (6, 3359158), (11, 1832268), (12, 1679579), (22, 916134), (33, 610756), (44, 458067), (66, 305378), (107, 188364), (132, 152689), (214, 94182), (321, 62788), (428, 47091), (642, 31394), (1177, 17124), (1284, 15697), (1427, 14124), (2354, 8562), (2854, 7062), (3531, 5708), (4281, 4708)]