20470040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{30103}}^1$

素因数の和:30131

約数の個数: 32

約数和(自身を含む): 48768480

約数和(自身を除く): 28298440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 30103, 60206, 120412, 150515, 240824, 301030, 511751, 602060, 1023502, 1204120, 2047004, 2558755, 4094008, 5117510, 10235020, 20470040]

約数ペア:

[(1, 20470040), (2, 10235020), (4, 5117510), (5, 4094008), (8, 2558755), (10, 2047004), (17, 1204120), (20, 1023502), (34, 602060), (40, 511751), (68, 301030), (85, 240824), (136, 150515), (170, 120412), (340, 60206), (680, 30103)]