16746220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 37416960

約数和(自身を除く): 20670740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 190, 254, 347, 380, 508, 635, 694, 1270, 1388, 1735, 2413, 2540, 3470, 4826, 6593, 6940, 9652, 12065, 13186, 24130, 26372, 32965, 44069, 48260, 65930, 88138, 131860, 176276, 220345, 440690, 837311, 881380, 1674622, 3349244, 4186555, 8373110, 16746220]

約数ペア:

[(1, 16746220), (2, 8373110), (4, 4186555), (5, 3349244), (10, 1674622), (19, 881380), (20, 837311), (38, 440690), (76, 220345), (95, 176276), (127, 131860), (190, 88138), (254, 65930), (347, 48260), (380, 44069), (508, 32965), (635, 26372), (694, 24130), (1270, 13186), (1388, 12065), (1735, 9652), (2413, 6940), (2540, 6593), (3470, 4826)]