20876884

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 24120236

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 61, 68, 119, 122, 238, 244, 427, 476, 719, 854, 1037, 1438, 1708, 2074, 2876, 4148, 5033, 7259, 10066, 12223, 14518, 20132, 24446, 29036, 43859, 48892, 85561, 87718, 171122, 175436, 307013, 342244, 614026, 745603, 1228052, 1491206, 2982412, 5219221, 10438442, 20876884]

約数ペア:

[(1, 20876884), (2, 10438442), (4, 5219221), (7, 2982412), (14, 1491206), (17, 1228052), (28, 745603), (34, 614026), (61, 342244), (68, 307013), (119, 175436), (122, 171122), (238, 87718), (244, 85561), (427, 48892), (476, 43859), (719, 29036), (854, 24446), (1037, 20132), (1438, 14518), (1708, 12223), (2074, 10066), (2876, 7259), (4148, 5033)]