39420020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{23747}}^1$

素因数の和:23839

約数の個数: 24

約数和(自身を含む): 83782944

約数和(自身を除く): 44362924

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 23747, 47494, 94988, 118735, 237470, 474940, 1971001, 3942002, 7884004, 9855005, 19710010, 39420020]

約数ペア:

[(1, 39420020), (2, 19710010), (4, 9855005), (5, 7884004), (10, 3942002), (20, 1971001), (83, 474940), (166, 237470), (332, 118735), (415, 94988), (830, 47494), (1660, 23747)]