2022092020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{19993}}^1$

素因数の和:20404

約数の個数: 48

約数和(自身を含む): 4585024080

約数和(自身を除く): 2562932060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 778, 1556, 1945, 3890, 5057, 7780, 10114, 19993, 20228, 25285, 39986, 50570, 79972, 99965, 101140, 199930, 259909, 399860, 519818, 1039636, 1299545, 2599090, 5198180, 7777277, 15554554, 31109108, 38886385, 77772770, 101104601, 155545540, 202209202, 404418404, 505523005, 1011046010, 2022092020]

約数ペア:

[(1, 2022092020), (2, 1011046010), (4, 505523005), (5, 404418404), (10, 202209202), (13, 155545540), (20, 101104601), (26, 77772770), (52, 38886385), (65, 31109108), (130, 15554554), (260, 7777277), (389, 5198180), (778, 2599090), (1556, 1299545), (1945, 1039636), (3890, 519818), (5057, 399860), (7780, 259909), (10114, 199930), (19993, 101140), (20228, 99965), (25285, 79972), (39986, 50570)]