20177308004

素因数分解:

$2^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{461}}^1\times {\mathrm{2087}}^1$

素因数の和:2673

約数の個数: 72

約数和(自身を含む): 41568956352

約数和(自身を除く): 21391648348

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 107, 196, 214, 428, 461, 749, 922, 1498, 1844, 2087, 2996, 3227, 4174, 5243, 6454, 8348, 10486, 12908, 14609, 20972, 22589, 29218, 45178, 49327, 58436, 90356, 98654, 102263, 197308, 204526, 223309, 345289, 409052, 446618, 690578, 893236, 962107, 1381156, 1563163, 1924214, 2417023, 3126326, 3848428, 4834046, 6252652, 6734749, 9668092, 10942141, 13469498, 21884282, 26938996, 43768564, 47143243, 94286486, 102945449, 188572972, 205890898, 411781796, 720618143, 1441236286, 2882472572, 5044327001, 10088654002, 20177308004]

約数ペア:

[(1, 20177308004), (2, 10088654002), (4, 5044327001), (7, 2882472572), (14, 1441236286), (28, 720618143), (49, 411781796), (98, 205890898), (107, 188572972), (196, 102945449), (214, 94286486), (428, 47143243), (461, 43768564), (749, 26938996), (922, 21884282), (1498, 13469498), (1844, 10942141), (2087, 9668092), (2996, 6734749), (3227, 6252652), (4174, 4834046), (5243, 3848428), (6454, 3126326), (8348, 2417023), (10486, 1924214), (12908, 1563163), (14609, 1381156), (20972, 962107), (22589, 893236), (29218, 690578), (45178, 446618), (49327, 409052), (58436, 345289), (90356, 223309), (98654, 204526), (102263, 197308)]