20194064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{641}}^1$

素因数の和:839

約数の個数: 40

約数和(自身を含む): 42988320

約数和(自身を除く): 22794256

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 179, 358, 641, 716, 1282, 1432, 1969, 2564, 2864, 3938, 5128, 7051, 7876, 10256, 14102, 15752, 28204, 31504, 56408, 112816, 114739, 229478, 458956, 917912, 1262129, 1835824, 2524258, 5048516, 10097032, 20194064]

約数ペア:

[(1, 20194064), (2, 10097032), (4, 5048516), (8, 2524258), (11, 1835824), (16, 1262129), (22, 917912), (44, 458956), (88, 229478), (176, 114739), (179, 112816), (358, 56408), (641, 31504), (716, 28204), (1282, 15752), (1432, 14102), (1969, 10256), (2564, 7876), (2864, 7051), (3938, 5128)]