20795896810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1657}}^1\times {\mathrm{3329}}^1$

素因数の和:5035

約数の個数: 64

約数和(自身を含む): 41739818400

約数和(自身を除く): 20943921590

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1657, 1885, 3314, 3329, 3770, 6658, 8285, 16570, 16645, 21541, 33290, 43082, 43277, 48053, 86554, 96106, 96541, 107705, 193082, 215410, 216385, 240265, 432770, 480530, 482705, 624689, 965410, 1249378, 1255033, 2510066, 3123445, 5516153, 6246890, 6275165, 11032306, 12550330, 27580765, 55161530, 71709989, 143419978, 159968437, 319936874, 358549945, 717099890, 799842185, 1599684370, 2079589681, 4159179362, 10397948405, 20795896810]

約数ペア:

[(1, 20795896810), (2, 10397948405), (5, 4159179362), (10, 2079589681), (13, 1599684370), (26, 799842185), (29, 717099890), (58, 358549945), (65, 319936874), (130, 159968437), (145, 143419978), (290, 71709989), (377, 55161530), (754, 27580765), (1657, 12550330), (1885, 11032306), (3314, 6275165), (3329, 6246890), (3770, 5516153), (6658, 3123445), (8285, 2510066), (16570, 1255033), (16645, 1249378), (21541, 965410), (33290, 624689), (43082, 482705), (43277, 480530), (48053, 432770), (86554, 240265), (96106, 216385), (96541, 215410), (107705, 193082)]