206620020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1147889}}^1$

素因数の和:1147904

約数の個数: 36

約数和(自身を含む): 626747940

約数和(自身を除く): 420127920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1147889, 2295778, 3443667, 4591556, 5739445, 6887334, 10331001, 11478890, 13774668, 17218335, 20662002, 22957780, 34436670, 41324004, 51655005, 68873340, 103310010, 206620020]

約数ペア:

[(1, 206620020), (2, 103310010), (3, 68873340), (4, 51655005), (5, 41324004), (6, 34436670), (9, 22957780), (10, 20662002), (12, 17218335), (15, 13774668), (18, 11478890), (20, 10331001), (30, 6887334), (36, 5739445), (45, 4591556), (60, 3443667), (90, 2295778), (180, 1147889)]