20018944

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{7109}}^1$

素因数の和:7136

約数の個数: 36

約数和(自身を含む): 43598520

約数和(自身を除く): 23579576

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 7109, 14218, 28436, 56872, 78199, 113744, 156398, 227488, 312796, 454976, 625592, 909952, 1251184, 1819904, 2502368, 5004736, 10009472, 20018944]

約数ペア:

[(1, 20018944), (2, 10009472), (4, 5004736), (8, 2502368), (11, 1819904), (16, 1251184), (22, 909952), (32, 625592), (44, 454976), (64, 312796), (88, 227488), (128, 156398), (176, 113744), (256, 78199), (352, 56872), (704, 28436), (1408, 14218), (2816, 7109)]