20950030

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{587}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 39118464

約数和(自身を除く): 18168434

約数列:

[1, 2, 5, 10, 43, 83, 86, 166, 215, 415, 430, 587, 830, 1174, 2935, 3569, 5870, 7138, 17845, 25241, 35690, 48721, 50482, 97442, 126205, 243605, 252410, 487210, 2095003, 4190006, 10475015, 20950030]

約数ペア:

[(1, 20950030), (2, 10475015), (5, 4190006), (10, 2095003), (43, 487210), (83, 252410), (86, 243605), (166, 126205), (215, 97442), (415, 50482), (430, 48721), (587, 35690), (830, 25241), (1174, 17845), (2935, 7138), (3569, 5870)]