20085316420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{246809}}^1$

素因数の和:247144

約数の個数: 48

約数和(自身を含む): 45569023920

約数和(自身を除く): 25483707500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 313, 626, 1252, 1565, 3130, 4069, 6260, 8138, 16276, 20345, 40690, 81380, 246809, 493618, 987236, 1234045, 2468090, 3208517, 4936180, 6417034, 12834068, 16042585, 32085170, 64170340, 77251217, 154502434, 309004868, 386256085, 772512170, 1004265821, 1545024340, 2008531642, 4017063284, 5021329105, 10042658210, 20085316420]

約数ペア:

[(1, 20085316420), (2, 10042658210), (4, 5021329105), (5, 4017063284), (10, 2008531642), (13, 1545024340), (20, 1004265821), (26, 772512170), (52, 386256085), (65, 309004868), (130, 154502434), (260, 77251217), (313, 64170340), (626, 32085170), (1252, 16042585), (1565, 12834068), (3130, 6417034), (4069, 4936180), (6260, 3208517), (8138, 2468090), (16276, 1234045), (20345, 987236), (40690, 493618), (81380, 246809)]