20163471249

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1171}}^1\times {\mathrm{4091}}^1$

素因数の和:5349

約数の個数: 32

約数和(自身を含む): 28544744448

約数和(自身を除く): 8381273199

約数列:

[1, 3, 23, 61, 69, 183, 1171, 1403, 3513, 4091, 4209, 12273, 26933, 71431, 80799, 94093, 214293, 249551, 282279, 748653, 1642913, 4790561, 4928739, 5739673, 14371683, 17219019, 110182903, 292224221, 330548709, 876672663, 6721157083, 20163471249]

約数ペア:

[(1, 20163471249), (3, 6721157083), (23, 876672663), (61, 330548709), (69, 292224221), (183, 110182903), (1171, 17219019), (1403, 14371683), (3513, 5739673), (4091, 4928739), (4209, 4790561), (12273, 1642913), (26933, 748653), (71431, 282279), (80799, 249551), (94093, 214293)]