20199131964

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{62129}}^1$

素因数の和:62971

約数の個数: 72

約数和(自身を含む): 55769379120

約数和(自身を除く): 35570247156

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 821, 1642, 2463, 3284, 4926, 7389, 9031, 9852, 14778, 18062, 27093, 29556, 36124, 54186, 62129, 81279, 108372, 124258, 162558, 186387, 248516, 325116, 372774, 559161, 683419, 745548, 1118322, 1366838, 2050257, 2236644, 2733676, 4100514, 6150771, 8201028, 12301542, 24603084, 51007909, 102015818, 153023727, 204031636, 306047454, 459071181, 561086999, 612094908, 918142362, 1122173998, 1683260997, 1836284724, 2244347996, 3366521994, 5049782991, 6733043988, 10099565982, 20199131964]

約数ペア:

[(1, 20199131964), (2, 10099565982), (3, 6733043988), (4, 5049782991), (6, 3366521994), (9, 2244347996), (11, 1836284724), (12, 1683260997), (18, 1122173998), (22, 918142362), (33, 612094908), (36, 561086999), (44, 459071181), (66, 306047454), (99, 204031636), (132, 153023727), (198, 102015818), (396, 51007909), (821, 24603084), (1642, 12301542), (2463, 8201028), (3284, 6150771), (4926, 4100514), (7389, 2733676), (9031, 2236644), (9852, 2050257), (14778, 1366838), (18062, 1118322), (27093, 745548), (29556, 683419), (36124, 559161), (54186, 372774), (62129, 325116), (81279, 248516), (108372, 186387), (124258, 162558)]