20869394

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16381}}^1$

素因数の和:16410

約数の個数: 24

約数和(自身を含む): 39218508

約数和(自身を除く): 18349114

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 16381, 32762, 114667, 212953, 229334, 425906, 802669, 1490671, 1605338, 2981342, 10434697, 20869394]

約数ペア:

[(1, 20869394), (2, 10434697), (7, 2981342), (13, 1605338), (14, 1490671), (26, 802669), (49, 425906), (91, 229334), (98, 212953), (182, 114667), (637, 32762), (1274, 16381)]