20184838940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1100591}}^1$

素因数の和:1100738

約数の個数: 48

約数和(自身を含む): 48813456384

約数和(自身を除く): 28628617444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 9170, 18340, 1100591, 2201182, 4402364, 5502955, 7704137, 11005910, 15408274, 22011820, 30816548, 38520685, 77041370, 144177421, 154082740, 288354842, 576709684, 720887105, 1009241947, 1441774210, 2018483894, 2883548420, 4036967788, 5046209735, 10092419470, 20184838940]

約数ペア:

[(1, 20184838940), (2, 10092419470), (4, 5046209735), (5, 4036967788), (7, 2883548420), (10, 2018483894), (14, 1441774210), (20, 1009241947), (28, 720887105), (35, 576709684), (70, 288354842), (131, 154082740), (140, 144177421), (262, 77041370), (524, 38520685), (655, 30816548), (917, 22011820), (1310, 15408274), (1834, 11005910), (2620, 7704137), (3668, 5502955), (4585, 4402364), (9170, 2201182), (18340, 1100591)]