20217460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43951}}^1$

素因数の和:43983

約数の個数: 24

約数和(自身を含む): 44303616

約数和(自身を除く): 24086156

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43951, 87902, 175804, 219755, 439510, 879020, 1010873, 2021746, 4043492, 5054365, 10108730, 20217460]

約数ペア:

[(1, 20217460), (2, 10108730), (4, 5054365), (5, 4043492), (10, 2021746), (20, 1010873), (23, 879020), (46, 439510), (92, 219755), (115, 175804), (230, 87902), (460, 43951)]