20163379709

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 24908083200

約数和(自身を除く): 4744703491

約数列:

[1, 11, 19, 23, 41, 209, 253, 263, 389, 437, 451, 779, 943, 2893, 4279, 4807, 4997, 6049, 7391, 8569, 8947, 10373, 10783, 15949, 17917, 54967, 66539, 81301, 98417, 102307, 114931, 118613, 169993, 175439, 197087, 204877, 248009, 303031, 366827, 1125377, 1264241, 1869923, 1943833, 2253647, 2353061, 2728099, 3333341, 4035097, 4194587, 4712171, 6969713, 21382163, 25883671, 44708159, 46140457, 51833881, 76666843, 79697153, 96475501, 491789749, 876668683, 1061230511, 1833034519, 20163379709]

約数ペア:

[(1, 20163379709), (11, 1833034519), (19, 1061230511), (23, 876668683), (41, 491789749), (209, 96475501), (253, 79697153), (263, 76666843), (389, 51833881), (437, 46140457), (451, 44708159), (779, 25883671), (943, 21382163), (2893, 6969713), (4279, 4712171), (4807, 4194587), (4997, 4035097), (6049, 3333341), (7391, 2728099), (8569, 2353061), (8947, 2253647), (10373, 1943833), (10783, 1869923), (15949, 1264241), (17917, 1125377), (54967, 366827), (66539, 303031), (81301, 248009), (98417, 204877), (102307, 197087), (114931, 175439), (118613, 169993)]