20163883731

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{43951}}^1$

素因数の和:44147

約数の個数: 32

約数和(自身を含む): 28776253440

約数和(自身を除く): 8612369709

約数列:

[1, 3, 23, 61, 69, 109, 183, 327, 1403, 2507, 4209, 6649, 7521, 19947, 43951, 131853, 152927, 458781, 1010873, 2681011, 3032619, 4790659, 8043033, 14371977, 61663253, 110185157, 184989759, 292230199, 330555471, 876690597, 6721294577, 20163883731]

約数ペア:

[(1, 20163883731), (3, 6721294577), (23, 876690597), (61, 330555471), (69, 292230199), (109, 184989759), (183, 110185157), (327, 61663253), (1403, 14371977), (2507, 8043033), (4209, 4790659), (6649, 3032619), (7521, 2681011), (19947, 1010873), (43951, 458781), (131853, 152927)]