20430180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113501}}^1$

素因数の和:113516

約数の個数: 36

約数和(自身を含む): 61972092

約数和(自身を除く): 41541912

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113501, 227002, 340503, 454004, 567505, 681006, 1021509, 1135010, 1362012, 1702515, 2043018, 2270020, 3405030, 4086036, 5107545, 6810060, 10215090, 20430180]

約数ペア:

[(1, 20430180), (2, 10215090), (3, 6810060), (4, 5107545), (5, 4086036), (6, 3405030), (9, 2270020), (10, 2043018), (12, 1702515), (15, 1362012), (18, 1135010), (20, 1021509), (30, 681006), (36, 567505), (45, 454004), (60, 340503), (90, 227002), (180, 113501)]