20932040

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1931}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 47295360

約数和(自身を除く): 26363320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 1931, 2168, 2710, 3862, 5420, 7724, 9655, 10840, 15448, 19310, 38620, 77240, 523301, 1046602, 2093204, 2616505, 4186408, 5233010, 10466020, 20932040]

約数ペア:

[(1, 20932040), (2, 10466020), (4, 5233010), (5, 4186408), (8, 2616505), (10, 2093204), (20, 1046602), (40, 523301), (271, 77240), (542, 38620), (1084, 19310), (1355, 15448), (1931, 10840), (2168, 9655), (2710, 7724), (3862, 5420)]