20186340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{839}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 56730240

約数和(自身を除く): 36543900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 401, 802, 839, 1203, 1604, 1678, 2005, 2406, 2517, 3356, 4010, 4195, 4812, 5034, 6015, 8020, 8390, 10068, 12030, 12585, 16780, 24060, 25170, 50340, 336439, 672878, 1009317, 1345756, 1682195, 2018634, 3364390, 4037268, 5046585, 6728780, 10093170, 20186340]

約数ペア:

[(1, 20186340), (2, 10093170), (3, 6728780), (4, 5046585), (5, 4037268), (6, 3364390), (10, 2018634), (12, 1682195), (15, 1345756), (20, 1009317), (30, 672878), (60, 336439), (401, 50340), (802, 25170), (839, 24060), (1203, 16780), (1604, 12585), (1678, 12030), (2005, 10068), (2406, 8390), (2517, 8020), (3356, 6015), (4010, 5034), (4195, 4812)]