20003428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6121}}^1$

素因数の和:6187

約数の個数: 24

約数和(自身を含む): 37711520

約数和(自身を除く): 17708092

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 6121, 12242, 24484, 116299, 232598, 263203, 465196, 526406, 1052812, 5000857, 10001714, 20003428]

約数ペア:

[(1, 20003428), (2, 10001714), (4, 5000857), (19, 1052812), (38, 526406), (43, 465196), (76, 263203), (86, 232598), (172, 116299), (817, 24484), (1634, 12242), (3268, 6121)]