202080020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{3559}}^1$

素因数の和:3752

約数の個数: 48

約数和(自身を含む): 452148480

約数和(自身を除く): 250068460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 167, 170, 334, 340, 668, 835, 1670, 2839, 3340, 3559, 5678, 7118, 11356, 14195, 14236, 17795, 28390, 35590, 56780, 60503, 71180, 121006, 242012, 302515, 594353, 605030, 1188706, 1210060, 2377412, 2971765, 5943530, 10104001, 11887060, 20208002, 40416004, 50520005, 101040010, 202080020]

約数ペア:

[(1, 202080020), (2, 101040010), (4, 50520005), (5, 40416004), (10, 20208002), (17, 11887060), (20, 10104001), (34, 5943530), (68, 2971765), (85, 2377412), (167, 1210060), (170, 1188706), (334, 605030), (340, 594353), (668, 302515), (835, 242012), (1670, 121006), (2839, 71180), (3340, 60503), (3559, 56780), (5678, 35590), (7118, 28390), (11356, 17795), (14195, 14236)]