20200952

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{383}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 40089600

約数和(自身を除く): 19888648

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 347, 383, 694, 766, 1388, 1532, 2776, 3064, 6593, 7277, 13186, 14554, 26372, 29108, 52744, 58216, 132901, 265802, 531604, 1063208, 2525119, 5050238, 10100476, 20200952]

約数ペア:

[(1, 20200952), (2, 10100476), (4, 5050238), (8, 2525119), (19, 1063208), (38, 531604), (76, 265802), (152, 132901), (347, 58216), (383, 52744), (694, 29108), (766, 26372), (1388, 14554), (1532, 13186), (2776, 7277), (3064, 6593)]