20431356

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4993}}^1$

素因数の和:5042

約数の個数: 48

約数和(自身を含む): 53695488

約数和(自身を除く): 33264132

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 186, 341, 372, 682, 1023, 1364, 2046, 4092, 4993, 9986, 14979, 19972, 29958, 54923, 59916, 109846, 154783, 164769, 219692, 309566, 329538, 464349, 619132, 659076, 928698, 1702613, 1857396, 3405226, 5107839, 6810452, 10215678, 20431356]

約数ペア:

[(1, 20431356), (2, 10215678), (3, 6810452), (4, 5107839), (6, 3405226), (11, 1857396), (12, 1702613), (22, 928698), (31, 659076), (33, 619132), (44, 464349), (62, 329538), (66, 309566), (93, 219692), (124, 164769), (132, 154783), (186, 109846), (341, 59916), (372, 54923), (682, 29958), (1023, 19972), (1364, 14979), (2046, 9986), (4092, 4993)]