20638374

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 46282752

約数和(自身を除く): 25644378

約数列:

[1, 2, 3, 6, 17, 31, 34, 51, 61, 62, 93, 102, 107, 122, 183, 186, 214, 321, 366, 527, 642, 1037, 1054, 1581, 1819, 1891, 2074, 3111, 3162, 3317, 3638, 3782, 5457, 5673, 6222, 6527, 6634, 9951, 10914, 11346, 13054, 19581, 19902, 32147, 39162, 56389, 64294, 96441, 110959, 112778, 169167, 192882, 202337, 221918, 332877, 338334, 404674, 607011, 665754, 1214022, 3439729, 6879458, 10319187, 20638374]

約数ペア:

[(1, 20638374), (2, 10319187), (3, 6879458), (6, 3439729), (17, 1214022), (31, 665754), (34, 607011), (51, 404674), (61, 338334), (62, 332877), (93, 221918), (102, 202337), (107, 192882), (122, 169167), (183, 112778), (186, 110959), (214, 96441), (321, 64294), (366, 56389), (527, 39162), (642, 32147), (1037, 19902), (1054, 19581), (1581, 13054), (1819, 11346), (1891, 10914), (2074, 9951), (3111, 6634), (3162, 6527), (3317, 6222), (3638, 5673), (3782, 5457)]