20187218986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{761}}^1$

素因数の和:1131

約数の個数: 64

約数和(自身を含む): 34129797120

約数和(自身を除く): 13942578134

約数列:

[1, 2, 11, 22, 59, 107, 118, 191, 214, 382, 649, 761, 1177, 1298, 1522, 2101, 2354, 4202, 6313, 8371, 11269, 12626, 16742, 20437, 22538, 40874, 44899, 69443, 81427, 89798, 123959, 138886, 145351, 162854, 224807, 247918, 290702, 449614, 493889, 895697, 987778, 1205783, 1598861, 1791394, 2411566, 3197722, 4804193, 8575709, 9608386, 13263613, 15552557, 17151418, 26527226, 31105114, 52846123, 94332799, 105692246, 171078127, 188665598, 342156254, 917600863, 1835201726, 10093609493, 20187218986]

約数ペア:

[(1, 20187218986), (2, 10093609493), (11, 1835201726), (22, 917600863), (59, 342156254), (107, 188665598), (118, 171078127), (191, 105692246), (214, 94332799), (382, 52846123), (649, 31105114), (761, 26527226), (1177, 17151418), (1298, 15552557), (1522, 13263613), (2101, 9608386), (2354, 8575709), (4202, 4804193), (6313, 3197722), (8371, 2411566), (11269, 1791394), (12626, 1598861), (16742, 1205783), (20437, 987778), (22538, 895697), (40874, 493889), (44899, 449614), (69443, 290702), (81427, 247918), (89798, 224807), (123959, 162854), (138886, 145351)]