20201113804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{17509}}^1$

素因数の和:17615

約数の個数: 72

約数和(自身を含む): 40348082880

約数和(自身を除く): 20146969076

約数列:

[1, 2, 4, 17, 19, 34, 38, 47, 68, 76, 94, 188, 323, 361, 646, 722, 799, 893, 1292, 1444, 1598, 1786, 3196, 3572, 6137, 12274, 15181, 16967, 17509, 24548, 30362, 33934, 35018, 60724, 67868, 70036, 288439, 297653, 332671, 576878, 595306, 665342, 822923, 1153756, 1190612, 1330684, 1645846, 3291692, 5655407, 6320749, 11310814, 12641498, 13989691, 15635537, 22621628, 25282996, 27979382, 31271074, 55958764, 62542148, 107452733, 214905466, 265804129, 297075203, 429810932, 531608258, 594150406, 1063216516, 1188300812, 5050278451, 10100556902, 20201113804]

約数ペア:

[(1, 20201113804), (2, 10100556902), (4, 5050278451), (17, 1188300812), (19, 1063216516), (34, 594150406), (38, 531608258), (47, 429810932), (68, 297075203), (76, 265804129), (94, 214905466), (188, 107452733), (323, 62542148), (361, 55958764), (646, 31271074), (722, 27979382), (799, 25282996), (893, 22621628), (1292, 15635537), (1444, 13989691), (1598, 12641498), (1786, 11310814), (3196, 6320749), (3572, 5655407), (6137, 3291692), (12274, 1645846), (15181, 1330684), (16967, 1190612), (17509, 1153756), (24548, 822923), (30362, 665342), (33934, 595306), (35018, 576878), (60724, 332671), (67868, 297653), (70036, 288439)]