20199872

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4099}}^1$

素因数の和:4129

約数の個数: 56

約数和(自身を含む): 49987200

約数和(自身を除く): 29787328

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4099, 4928, 8198, 16396, 28693, 32792, 45089, 57386, 65584, 90178, 114772, 131168, 180356, 229544, 262336, 315623, 360712, 459088, 631246, 721424, 918176, 1262492, 1442848, 1836352, 2524984, 2885696, 5049968, 10099936, 20199872]

約数ペア:

[(1, 20199872), (2, 10099936), (4, 5049968), (7, 2885696), (8, 2524984), (11, 1836352), (14, 1442848), (16, 1262492), (22, 918176), (28, 721424), (32, 631246), (44, 459088), (56, 360712), (64, 315623), (77, 262336), (88, 229544), (112, 180356), (154, 131168), (176, 114772), (224, 90178), (308, 65584), (352, 57386), (448, 45089), (616, 32792), (704, 28693), (1232, 16396), (2464, 8198), (4099, 4928)]