20194363620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{569497}}^1$

素因数の和:569709

約数の個数: 72

約数和(自身を含む): 61567289784

約数和(自身を除く): 41372926164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 5910, 7092, 8865, 11820, 17730, 35460, 569497, 1138994, 1708491, 2277988, 2847485, 3416982, 5125473, 5694970, 6833964, 8542455, 10250946, 11389940, 17084910, 20501892, 25627365, 34169820, 51254730, 102509460, 112190909, 224381818, 336572727, 448763636, 560954545, 673145454, 1009718181, 1121909090, 1346290908, 1682863635, 2019436362, 2243818180, 3365727270, 4038872724, 5048590905, 6731454540, 10097181810, 20194363620]

約数ペア:

[(1, 20194363620), (2, 10097181810), (3, 6731454540), (4, 5048590905), (5, 4038872724), (6, 3365727270), (9, 2243818180), (10, 2019436362), (12, 1682863635), (15, 1346290908), (18, 1121909090), (20, 1009718181), (30, 673145454), (36, 560954545), (45, 448763636), (60, 336572727), (90, 224381818), (180, 112190909), (197, 102509460), (394, 51254730), (591, 34169820), (788, 25627365), (985, 20501892), (1182, 17084910), (1773, 11389940), (1970, 10250946), (2364, 8542455), (2955, 6833964), (3546, 5694970), (3940, 5125473), (5910, 3416982), (7092, 2847485), (8865, 2277988), (11820, 1708491), (17730, 1138994), (35460, 569497)]