20119184

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29243}}^1$

素因数の和:29294

約数の個数: 20

約数和(自身を含む): 39888816

約数和(自身を除く): 19769632

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29243, 58486, 116972, 233944, 467888, 1257449, 2514898, 5029796, 10059592, 20119184]

約数ペア:

[(1, 20119184), (2, 10059592), (4, 5029796), (8, 2514898), (16, 1257449), (43, 467888), (86, 233944), (172, 116972), (344, 58486), (688, 29243)]