20996933265

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2019907}}^1$

素因数の和:2019939

約数の個数: 64

約数和(自身を含む): 46538680320

約数和(自身を除く): 25541747055

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 99, 105, 135, 165, 189, 231, 297, 315, 385, 495, 693, 945, 1155, 1485, 2079, 3465, 10395, 2019907, 6059721, 10099535, 14139349, 18179163, 22218977, 30298605, 42418047, 54537489, 66656931, 70696745, 90895815, 111094885, 127254141, 155532839, 199970793, 212090235, 272687445, 333284655, 381762423, 466598517, 599912379, 636270705, 777664195, 999853965, 1399795551, 1908812115, 2332992585, 2999561895, 4199386653, 6998977755, 20996933265]

約数ペア:

[(1, 20996933265), (3, 6998977755), (5, 4199386653), (7, 2999561895), (9, 2332992585), (11, 1908812115), (15, 1399795551), (21, 999853965), (27, 777664195), (33, 636270705), (35, 599912379), (45, 466598517), (55, 381762423), (63, 333284655), (77, 272687445), (99, 212090235), (105, 199970793), (135, 155532839), (165, 127254141), (189, 111094885), (231, 90895815), (297, 70696745), (315, 66656931), (385, 54537489), (495, 42418047), (693, 30298605), (945, 22218977), (1155, 18179163), (1485, 14139349), (2079, 10099535), (3465, 6059721), (10395, 2019907)]